Home / 3,899.59-5,381.43-2,197.96

Finding the Fourth Proportional to 3,899.59, 5,381.43 and 2,197.96

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Solution

The fourth proportional to 3,899.59, 5,381.43 and 2,197.96 is: 3,033.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.59 : 5,381.43 = 2,197.96 : x
  2. Step 2: Convert to fraction form
    3,899.59/5,381.43 = 2,197.96/x
  3. Step 3: Cross multiply
    3,899.59x = 5,381.43 × 2,197.96
  4. Step 4: Simplify right side
    3,899.59x = 11,828,167.88
  5. Step 5: Solve for x
    x = 11,828,167.88/3,899.59
  6. Step 6: Final answer
    x = 3,033.18

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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.