Home / 3,865.79-5,790.59-2,472.04

Finding the Fourth Proportional to 3,865.79, 5,790.59 and 2,472.04

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Solution

The fourth proportional to 3,865.79, 5,790.59 and 2,472.04 is: 3,702.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.79 : 5,790.59 = 2,472.04 : x
  2. Step 2: Convert to fraction form
    3,865.79/5,790.59 = 2,472.04/x
  3. Step 3: Cross multiply
    3,865.79x = 5,790.59 × 2,472.04
  4. Step 4: Simplify right side
    3,865.79x = 14,314,541.68
  5. Step 5: Solve for x
    x = 14,314,541.68/3,865.79
  6. Step 6: Final answer
    x = 3,702.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.