Home / 2,821.23-4,235.58-2,266.29

Finding the Fourth Proportional to 2,821.23, 4,235.58 and 2,266.29

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Solution

The fourth proportional to 2,821.23, 4,235.58 and 2,266.29 is: 3,402.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821.23 : 4,235.58 = 2,266.29 : x
  2. Step 2: Convert to fraction form
    2,821.23/4,235.58 = 2,266.29/x
  3. Step 3: Cross multiply
    2,821.23x = 4,235.58 × 2,266.29
  4. Step 4: Simplify right side
    2,821.23x = 9,599,052.60
  5. Step 5: Solve for x
    x = 9,599,052.60/2,821.23
  6. Step 6: Final answer
    x = 3,402.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.