Home / 1,028.29-1,542.11-344.13

Finding the Fourth Proportional to 1,028.29, 1,542.11 and 344.13

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Solution

The fourth proportional to 1,028.29, 1,542.11 and 344.13 is: 516.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028.29 : 1,542.11 = 344.13 : x
  2. Step 2: Convert to fraction form
    1,028.29/1,542.11 = 344.13/x
  3. Step 3: Cross multiply
    1,028.29x = 1,542.11 × 344.13
  4. Step 4: Simplify right side
    1,028.29x = 530,677.74
  5. Step 5: Solve for x
    x = 530,677.74/1,028.29
  6. Step 6: Final answer
    x = 516.08

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Double scale
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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.