Home / 3,221.38-4,832.45-1,140.95

Finding the Fourth Proportional to 3,221.38, 4,832.45 and 1,140.95

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Solution

The fourth proportional to 3,221.38, 4,832.45 and 1,140.95 is: 1,711.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.38 : 4,832.45 = 1,140.95 : x
  2. Step 2: Convert to fraction form
    3,221.38/4,832.45 = 1,140.95/x
  3. Step 3: Cross multiply
    3,221.38x = 4,832.45 × 1,140.95
  4. Step 4: Simplify right side
    3,221.38x = 5,513,583.83
  5. Step 5: Solve for x
    x = 5,513,583.83/3,221.38
  6. Step 6: Final answer
    x = 1,711.56

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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.