Home / 1,529.52-2,294.64-749.76

Finding the Fourth Proportional to 1,529.52, 2,294.64 and 749.76

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Solution

The fourth proportional to 1,529.52, 2,294.64 and 749.76 is: 1,124.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.52 : 2,294.64 = 749.76 : x
  2. Step 2: Convert to fraction form
    1,529.52/2,294.64 = 749.76/x
  3. Step 3: Cross multiply
    1,529.52x = 2,294.64 × 749.76
  4. Step 4: Simplify right side
    1,529.52x = 1,720,429.29
  5. Step 5: Solve for x
    x = 1,720,429.29/1,529.52
  6. Step 6: Final answer
    x = 1,124.82

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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.