Home / 3,898.96-5,381.04-2,327.02

Finding the Fourth Proportional to 3,898.96, 5,381.04 and 2,327.02

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Solution

The fourth proportional to 3,898.96, 5,381.04 and 2,327.02 is: 3,211.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898.96 : 5,381.04 = 2,327.02 : x
  2. Step 2: Convert to fraction form
    3,898.96/5,381.04 = 2,327.02/x
  3. Step 3: Cross multiply
    3,898.96x = 5,381.04 × 2,327.02
  4. Step 4: Simplify right side
    3,898.96x = 12,521,787.70
  5. Step 5: Solve for x
    x = 12,521,787.70/3,898.96
  6. Step 6: Final answer
    x = 3,211.57

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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.