Home / 3,869.11-5,343.80-2,548.71

Finding the Fourth Proportional to 3,869.11, 5,343.80 and 2,548.71

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Solution

The fourth proportional to 3,869.11, 5,343.80 and 2,548.71 is: 3,520.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869.11 : 5,343.80 = 2,548.71 : x
  2. Step 2: Convert to fraction form
    3,869.11/5,343.80 = 2,548.71/x
  3. Step 3: Cross multiply
    3,869.11x = 5,343.80 × 2,548.71
  4. Step 4: Simplify right side
    3,869.11x = 13,619,796.50
  5. Step 5: Solve for x
    x = 13,619,796.50/3,869.11
  6. Step 6: Final answer
    x = 3,520.14

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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.