Home / 3,717.22-5,129.90-2,123.84

Finding the Fourth Proportional to 3,717.22, 5,129.90 and 2,123.84

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Solution

The fourth proportional to 3,717.22, 5,129.90 and 2,123.84 is: 2,930.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.22 : 5,129.90 = 2,123.84 : x
  2. Step 2: Convert to fraction form
    3,717.22/5,129.90 = 2,123.84/x
  3. Step 3: Cross multiply
    3,717.22x = 5,129.90 × 2,123.84
  4. Step 4: Simplify right side
    3,717.22x = 10,895,086.82
  5. Step 5: Solve for x
    x = 10,895,086.82/3,717.22
  6. Step 6: Final answer
    x = 2,930.98

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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.