Home / 3,863.88-5,330.92-2,371.04

Finding the Fourth Proportional to 3,863.88, 5,330.92 and 2,371.04

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Solution

The fourth proportional to 3,863.88, 5,330.92 and 2,371.04 is: 3,271.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.88 : 5,330.92 = 2,371.04 : x
  2. Step 2: Convert to fraction form
    3,863.88/5,330.92 = 2,371.04/x
  3. Step 3: Cross multiply
    3,863.88x = 5,330.92 × 2,371.04
  4. Step 4: Simplify right side
    3,863.88x = 12,639,824.56
  5. Step 5: Solve for x
    x = 12,639,824.56/3,863.88
  6. Step 6: Final answer
    x = 3,271.28

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1.5x scale

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.