Home / 4,153.76-5,731.98-2,581.82

Finding the Fourth Proportional to 4,153.76, 5,731.98 and 2,581.82

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Solution

The fourth proportional to 4,153.76, 5,731.98 and 2,581.82 is: 3,562.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,153.76 : 5,731.98 = 2,581.82 : x
  2. Step 2: Convert to fraction form
    4,153.76/5,731.98 = 2,581.82/x
  3. Step 3: Cross multiply
    4,153.76x = 5,731.98 × 2,581.82
  4. Step 4: Simplify right side
    4,153.76x = 14,798,940.60
  5. Step 5: Solve for x
    x = 14,798,940.60/4,153.76
  6. Step 6: Final answer
    x = 3,562.78

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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.