Home / 3,679.98-5,519.25-1,214.34

Finding the Fourth Proportional to 3,679.98, 5,519.25 and 1,214.34

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Solution

The fourth proportional to 3,679.98, 5,519.25 and 1,214.34 is: 1,821.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.98 : 5,519.25 = 1,214.34 : x
  2. Step 2: Convert to fraction form
    3,679.98/5,519.25 = 1,214.34/x
  3. Step 3: Cross multiply
    3,679.98x = 5,519.25 × 1,214.34
  4. Step 4: Simplify right side
    3,679.98x = 6,702,246.05
  5. Step 5: Solve for x
    x = 6,702,246.05/3,679.98
  6. Step 6: Final answer
    x = 1,821.27

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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.