Home / 2,872.18-3,963.90-1,753.87

Finding the Fourth Proportional to 2,872.18, 3,963.90 and 1,753.87

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Solution

The fourth proportional to 2,872.18, 3,963.90 and 1,753.87 is: 2,420.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.18 : 3,963.90 = 1,753.87 : x
  2. Step 2: Convert to fraction form
    2,872.18/3,963.90 = 1,753.87/x
  3. Step 3: Cross multiply
    2,872.18x = 3,963.90 × 1,753.87
  4. Step 4: Simplify right side
    2,872.18x = 6,952,165.29
  5. Step 5: Solve for x
    x = 6,952,165.29/2,872.18
  6. Step 6: Final answer
    x = 2,420.52

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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.