Home / 3,862.06-5,324.19-2,742.59

Finding the Fourth Proportional to 3,862.06, 5,324.19 and 2,742.59

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Solution

The fourth proportional to 3,862.06, 5,324.19 and 2,742.59 is: 3,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.06 : 5,324.19 = 2,742.59 : x
  2. Step 2: Convert to fraction form
    3,862.06/5,324.19 = 2,742.59/x
  3. Step 3: Cross multiply
    3,862.06x = 5,324.19 × 2,742.59
  4. Step 4: Simplify right side
    3,862.06x = 14,602,080.99
  5. Step 5: Solve for x
    x = 14,602,080.99/3,862.06
  6. Step 6: Final answer
    x = 3,780.90

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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.