Home / 1,353.92-2,031.50-1,332.08

Finding the Fourth Proportional to 1,353.92, 2,031.50 and 1,332.08

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Solution

The fourth proportional to 1,353.92, 2,031.50 and 1,332.08 is: 1,998.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353.92 : 2,031.50 = 1,332.08 : x
  2. Step 2: Convert to fraction form
    1,353.92/2,031.50 = 1,332.08/x
  3. Step 3: Cross multiply
    1,353.92x = 2,031.50 × 1,332.08
  4. Step 4: Simplify right side
    1,353.92x = 2,706,120.52
  5. Step 5: Solve for x
    x = 2,706,120.52/1,353.92
  6. Step 6: Final answer
    x = 1,998.73

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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.