Home / 3,098.31-4,274.60-2,862.53

Finding the Fourth Proportional to 3,098.31, 4,274.60 and 2,862.53

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Solution

The fourth proportional to 3,098.31, 4,274.60 and 2,862.53 is: 3,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.31 : 4,274.60 = 2,862.53 : x
  2. Step 2: Convert to fraction form
    3,098.31/4,274.60 = 2,862.53/x
  3. Step 3: Cross multiply
    3,098.31x = 4,274.60 × 2,862.53
  4. Step 4: Simplify right side
    3,098.31x = 12,236,170.74
  5. Step 5: Solve for x
    x = 12,236,170.74/3,098.31
  6. Step 6: Final answer
    x = 3,949.30

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1.5x scale

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.