Home / 4,089.34-5,643.12-2,226.34

Finding the Fourth Proportional to 4,089.34, 5,643.12 and 2,226.34

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Solution

The fourth proportional to 4,089.34, 5,643.12 and 2,226.34 is: 3,072.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.34 : 5,643.12 = 2,226.34 : x
  2. Step 2: Convert to fraction form
    4,089.34/5,643.12 = 2,226.34/x
  3. Step 3: Cross multiply
    4,089.34x = 5,643.12 × 2,226.34
  4. Step 4: Simplify right side
    4,089.34x = 12,563,503.78
  5. Step 5: Solve for x
    x = 12,563,503.78/4,089.34
  6. Step 6: Final answer
    x = 3,072.26

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Find fourth proportional to 2,044.67, 2,821.56 and 1,113.17
Half scale
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Double scale
Find fourth proportional to 4,090.34, 5,644.50 and 2,227.34
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.