Home / 3,517.38-5,276.85-1,326.12

Finding the Fourth Proportional to 3,517.38, 5,276.85 and 1,326.12

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Solution

The fourth proportional to 3,517.38, 5,276.85 and 1,326.12 is: 1,989.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.38 : 5,276.85 = 1,326.12 : x
  2. Step 2: Convert to fraction form
    3,517.38/5,276.85 = 1,326.12/x
  3. Step 3: Cross multiply
    3,517.38x = 5,276.85 × 1,326.12
  4. Step 4: Simplify right side
    3,517.38x = 6,997,736.32
  5. Step 5: Solve for x
    x = 6,997,736.32/3,517.38
  6. Step 6: Final answer
    x = 1,989.47

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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.