Home / 3,857.24-5,321.88-2,599.72

Finding the Fourth Proportional to 3,857.24, 5,321.88 and 2,599.72

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Solution

The fourth proportional to 3,857.24, 5,321.88 and 2,599.72 is: 3,586.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857.24 : 5,321.88 = 2,599.72 : x
  2. Step 2: Convert to fraction form
    3,857.24/5,321.88 = 2,599.72/x
  3. Step 3: Cross multiply
    3,857.24x = 5,321.88 × 2,599.72
  4. Step 4: Simplify right side
    3,857.24x = 13,835,397.87
  5. Step 5: Solve for x
    x = 13,835,397.87/3,857.24
  6. Step 6: Final answer
    x = 3,586.86

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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.