Home / 2,915.73-4,026.15-2,704.68

Finding the Fourth Proportional to 2,915.73, 4,026.15 and 2,704.68

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Solution

The fourth proportional to 2,915.73, 4,026.15 and 2,704.68 is: 3,734.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.73 : 4,026.15 = 2,704.68 : x
  2. Step 2: Convert to fraction form
    2,915.73/4,026.15 = 2,704.68/x
  3. Step 3: Cross multiply
    2,915.73x = 4,026.15 × 2,704.68
  4. Step 4: Simplify right side
    2,915.73x = 10,889,447.38
  5. Step 5: Solve for x
    x = 10,889,447.38/2,915.73
  6. Step 6: Final answer
    x = 3,734.72

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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.