Home / 1,451.10-2,180.10-932.12

Finding the Fourth Proportional to 1,451.10, 2,180.10 and 932.12

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Solution

The fourth proportional to 1,451.10, 2,180.10 and 932.12 is: 1,400.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.10 : 2,180.10 = 932.12 : x
  2. Step 2: Convert to fraction form
    1,451.10/2,180.10 = 932.12/x
  3. Step 3: Cross multiply
    1,451.10x = 2,180.10 × 932.12
  4. Step 4: Simplify right side
    1,451.10x = 2,032,103.91
  5. Step 5: Solve for x
    x = 2,032,103.91/1,451.10
  6. Step 6: Final answer
    x = 1,400.39

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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.