Home / 3,517.64-5,275.68-1,326.32

Finding the Fourth Proportional to 3,517.64, 5,275.68 and 1,326.32

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Solution

The fourth proportional to 3,517.64, 5,275.68 and 1,326.32 is: 1,989.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.64 : 5,275.68 = 1,326.32 : x
  2. Step 2: Convert to fraction form
    3,517.64/5,275.68 = 1,326.32/x
  3. Step 3: Cross multiply
    3,517.64x = 5,275.68 × 1,326.32
  4. Step 4: Simplify right side
    3,517.64x = 6,997,239.90
  5. Step 5: Solve for x
    x = 6,997,239.90/3,517.64
  6. Step 6: Final answer
    x = 1,989.19

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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.