Home / 1,729.69-2,581.24-1,545.16

Finding the Fourth Proportional to 1,729.69, 2,581.24 and 1,545.16

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Solution

The fourth proportional to 1,729.69, 2,581.24 and 1,545.16 is: 2,305.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.69 : 2,581.24 = 1,545.16 : x
  2. Step 2: Convert to fraction form
    1,729.69/2,581.24 = 1,545.16/x
  3. Step 3: Cross multiply
    1,729.69x = 2,581.24 × 1,545.16
  4. Step 4: Simplify right side
    1,729.69x = 3,988,428.80
  5. Step 5: Solve for x
    x = 3,988,428.80/1,729.69
  6. Step 6: Final answer
    x = 2,305.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.