Home / 3,932.64-5,426.88-2,317.53

Finding the Fourth Proportional to 3,932.64, 5,426.88 and 2,317.53

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Solution

The fourth proportional to 3,932.64, 5,426.88 and 2,317.53 is: 3,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.64 : 5,426.88 = 2,317.53 : x
  2. Step 2: Convert to fraction form
    3,932.64/5,426.88 = 2,317.53/x
  3. Step 3: Cross multiply
    3,932.64x = 5,426.88 × 2,317.53
  4. Step 4: Simplify right side
    3,932.64x = 12,576,957.21
  5. Step 5: Solve for x
    x = 12,576,957.21/3,932.64
  6. Step 6: Final answer
    x = 3,198.10

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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.