Home / 3,885.30-5,359.67-2,468.21

Finding the Fourth Proportional to 3,885.30, 5,359.67 and 2,468.21

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Solution

The fourth proportional to 3,885.30, 5,359.67 and 2,468.21 is: 3,404.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.30 : 5,359.67 = 2,468.21 : x
  2. Step 2: Convert to fraction form
    3,885.30/5,359.67 = 2,468.21/x
  3. Step 3: Cross multiply
    3,885.30x = 5,359.67 × 2,468.21
  4. Step 4: Simplify right side
    3,885.30x = 13,228,761.21
  5. Step 5: Solve for x
    x = 13,228,761.21/3,885.30
  6. Step 6: Final answer
    x = 3,404.82

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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.