Home / 3,451.38-4,761.81-2,192.10

Finding the Fourth Proportional to 3,451.38, 4,761.81 and 2,192.10

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Solution

The fourth proportional to 3,451.38, 4,761.81 and 2,192.10 is: 3,024.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.38 : 4,761.81 = 2,192.10 : x
  2. Step 2: Convert to fraction form
    3,451.38/4,761.81 = 2,192.10/x
  3. Step 3: Cross multiply
    3,451.38x = 4,761.81 × 2,192.10
  4. Step 4: Simplify right side
    3,451.38x = 10,438,363.70
  5. Step 5: Solve for x
    x = 10,438,363.70/3,451.38
  6. Step 6: Final answer
    x = 3,024.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.