Home / 2,862.15-4,295.25-1,691.43

Finding the Fourth Proportional to 2,862.15, 4,295.25 and 1,691.43

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Solution

The fourth proportional to 2,862.15, 4,295.25 and 1,691.43 is: 2,538.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.15 : 4,295.25 = 1,691.43 : x
  2. Step 2: Convert to fraction form
    2,862.15/4,295.25 = 1,691.43/x
  3. Step 3: Cross multiply
    2,862.15x = 4,295.25 × 1,691.43
  4. Step 4: Simplify right side
    2,862.15x = 7,265,114.71
  5. Step 5: Solve for x
    x = 7,265,114.71/2,862.15
  6. Step 6: Final answer
    x = 2,538.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.