Home / 2,837.25-3,915.45-1,791.18

Finding the Fourth Proportional to 2,837.25, 3,915.45 and 1,791.18

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Solution

The fourth proportional to 2,837.25, 3,915.45 and 1,791.18 is: 2,471.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.25 : 3,915.45 = 1,791.18 : x
  2. Step 2: Convert to fraction form
    2,837.25/3,915.45 = 1,791.18/x
  3. Step 3: Cross multiply
    2,837.25x = 3,915.45 × 1,791.18
  4. Step 4: Simplify right side
    2,837.25x = 7,013,275.73
  5. Step 5: Solve for x
    x = 7,013,275.73/2,837.25
  6. Step 6: Final answer
    x = 2,471.86

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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.