Home / 3,272.32-4,911.12-1,630.24

Finding the Fourth Proportional to 3,272.32, 4,911.12 and 1,630.24

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Solution

The fourth proportional to 3,272.32, 4,911.12 and 1,630.24 is: 2,446.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.32 : 4,911.12 = 1,630.24 : x
  2. Step 2: Convert to fraction form
    3,272.32/4,911.12 = 1,630.24/x
  3. Step 3: Cross multiply
    3,272.32x = 4,911.12 × 1,630.24
  4. Step 4: Simplify right side
    3,272.32x = 8,006,304.27
  5. Step 5: Solve for x
    x = 8,006,304.27/3,272.32
  6. Step 6: Final answer
    x = 2,446.68

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1.5x scale

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.