Home / 4,123.90-5,688.79-2,529.82

Finding the Fourth Proportional to 4,123.90, 5,688.79 and 2,529.82

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Solution

The fourth proportional to 4,123.90, 5,688.79 and 2,529.82 is: 3,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.90 : 5,688.79 = 2,529.82 : x
  2. Step 2: Convert to fraction form
    4,123.90/5,688.79 = 2,529.82/x
  3. Step 3: Cross multiply
    4,123.90x = 5,688.79 × 2,529.82
  4. Step 4: Simplify right side
    4,123.90x = 14,391,614.72
  5. Step 5: Solve for x
    x = 14,391,614.72/4,123.90
  6. Step 6: Final answer
    x = 3,489.81

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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.