Home / 1,332.40-2,002.92-1,325.92

Finding the Fourth Proportional to 1,332.40, 2,002.92 and 1,325.92

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Solution

The fourth proportional to 1,332.40, 2,002.92 and 1,325.92 is: 1,993.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.40 : 2,002.92 = 1,325.92 : x
  2. Step 2: Convert to fraction form
    1,332.40/2,002.92 = 1,325.92/x
  3. Step 3: Cross multiply
    1,332.40x = 2,002.92 × 1,325.92
  4. Step 4: Simplify right side
    1,332.40x = 2,655,711.69
  5. Step 5: Solve for x
    x = 2,655,711.69/1,332.40
  6. Step 6: Final answer
    x = 1,993.18

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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.