Home / 1,472.68-2,034.10-1,101.31

Finding the Fourth Proportional to 1,472.68, 2,034.10 and 1,101.31

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Solution

The fourth proportional to 1,472.68, 2,034.10 and 1,101.31 is: 1,521.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.68 : 2,034.10 = 1,101.31 : x
  2. Step 2: Convert to fraction form
    1,472.68/2,034.10 = 1,101.31/x
  3. Step 3: Cross multiply
    1,472.68x = 2,034.10 × 1,101.31
  4. Step 4: Simplify right side
    1,472.68x = 2,240,174.67
  5. Step 5: Solve for x
    x = 2,240,174.67/1,472.68
  6. Step 6: Final answer
    x = 1,521.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.