Home / 3,132.08-4,697.76-1,281.92

Finding the Fourth Proportional to 3,132.08, 4,697.76 and 1,281.92

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Solution

The fourth proportional to 3,132.08, 4,697.76 and 1,281.92 is: 1,922.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.08 : 4,697.76 = 1,281.92 : x
  2. Step 2: Convert to fraction form
    3,132.08/4,697.76 = 1,281.92/x
  3. Step 3: Cross multiply
    3,132.08x = 4,697.76 × 1,281.92
  4. Step 4: Simplify right side
    3,132.08x = 6,022,152.50
  5. Step 5: Solve for x
    x = 6,022,152.50/3,132.08
  6. Step 6: Final answer
    x = 1,922.73

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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.