Home / 3,272.10-4,907.42-932.05

Finding the Fourth Proportional to 3,272.10, 4,907.42 and 932.05

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Solution

The fourth proportional to 3,272.10, 4,907.42 and 932.05 is: 1,397.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.10 : 4,907.42 = 932.05 : x
  2. Step 2: Convert to fraction form
    3,272.10/4,907.42 = 932.05/x
  3. Step 3: Cross multiply
    3,272.10x = 4,907.42 × 932.05
  4. Step 4: Simplify right side
    3,272.10x = 4,573,960.81
  5. Step 5: Solve for x
    x = 4,573,960.81/3,272.10
  6. Step 6: Final answer
    x = 1,397.87

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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.