Home / 1,502.29-2,251.31-1,177.28

Finding the Fourth Proportional to 1,502.29, 2,251.31 and 1,177.28

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Solution

The fourth proportional to 1,502.29, 2,251.31 and 1,177.28 is: 1,764.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.29 : 2,251.31 = 1,177.28 : x
  2. Step 2: Convert to fraction form
    1,502.29/2,251.31 = 1,177.28/x
  3. Step 3: Cross multiply
    1,502.29x = 2,251.31 × 1,177.28
  4. Step 4: Simplify right side
    1,502.29x = 2,650,405.09
  5. Step 5: Solve for x
    x = 2,650,405.09/1,502.29
  6. Step 6: Final answer
    x = 1,764.25

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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.