Home / 1,030.13-1,545.36-736.91

Finding the Fourth Proportional to 1,030.13, 1,545.36 and 736.91

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Solution

The fourth proportional to 1,030.13, 1,545.36 and 736.91 is: 1,105.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030.13 : 1,545.36 = 736.91 : x
  2. Step 2: Convert to fraction form
    1,030.13/1,545.36 = 736.91/x
  3. Step 3: Cross multiply
    1,030.13x = 1,545.36 × 736.91
  4. Step 4: Simplify right side
    1,030.13x = 1,138,791.24
  5. Step 5: Solve for x
    x = 1,138,791.24/1,030.13
  6. Step 6: Final answer
    x = 1,105.48

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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.