Home / 3,862.68-5,326.02-2,709.96

Finding the Fourth Proportional to 3,862.68, 5,326.02 and 2,709.96

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Solution

The fourth proportional to 3,862.68, 5,326.02 and 2,709.96 is: 3,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.68 : 5,326.02 = 2,709.96 : x
  2. Step 2: Convert to fraction form
    3,862.68/5,326.02 = 2,709.96/x
  3. Step 3: Cross multiply
    3,862.68x = 5,326.02 × 2,709.96
  4. Step 4: Simplify right side
    3,862.68x = 14,433,301.16
  5. Step 5: Solve for x
    x = 14,433,301.16/3,862.68
  6. Step 6: Final answer
    x = 3,736.60

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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.