Home / 3,637.64-5,456.34-2,915.92

Finding the Fourth Proportional to 3,637.64, 5,456.34 and 2,915.92

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Solution

The fourth proportional to 3,637.64, 5,456.34 and 2,915.92 is: 4,373.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.64 : 5,456.34 = 2,915.92 : x
  2. Step 2: Convert to fraction form
    3,637.64/5,456.34 = 2,915.92/x
  3. Step 3: Cross multiply
    3,637.64x = 5,456.34 × 2,915.92
  4. Step 4: Simplify right side
    3,637.64x = 15,910,250.93
  5. Step 5: Solve for x
    x = 15,910,250.93/3,637.64
  6. Step 6: Final answer
    x = 4,373.78

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1.5x scale

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.