Home / 3,737.20-5,157.30-2,165.44

Finding the Fourth Proportional to 3,737.20, 5,157.30 and 2,165.44

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Solution

The fourth proportional to 3,737.20, 5,157.30 and 2,165.44 is: 2,988.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,737.20 : 5,157.30 = 2,165.44 : x
  2. Step 2: Convert to fraction form
    3,737.20/5,157.30 = 2,165.44/x
  3. Step 3: Cross multiply
    3,737.20x = 5,157.30 × 2,165.44
  4. Step 4: Simplify right side
    3,737.20x = 11,167,823.71
  5. Step 5: Solve for x
    x = 11,167,823.71/3,737.20
  6. Step 6: Final answer
    x = 2,988.29

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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.