Home / 4,132.40-5,700-2,871.44

Finding the Fourth Proportional to 4,132.40, 5,700 and 2,871.44

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Solution

The fourth proportional to 4,132.40, 5,700 and 2,871.44 is: 3,960.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,132.40 : 5,700 = 2,871.44 : x
  2. Step 2: Convert to fraction form
    4,132.40/5,700 = 2,871.44/x
  3. Step 3: Cross multiply
    4,132.40x = 5,700 × 2,871.44
  4. Step 4: Simplify right side
    4,132.40x = 16,367,208
  5. Step 5: Solve for x
    x = 16,367,208/4,132.40
  6. Step 6: Final answer
    x = 3,960.70

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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.