Home / 3,734.30-5,147.90-2,611.76

Finding the Fourth Proportional to 3,734.30, 5,147.90 and 2,611.76

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Solution

The fourth proportional to 3,734.30, 5,147.90 and 2,611.76 is: 3,600.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,734.30 : 5,147.90 = 2,611.76 : x
  2. Step 2: Convert to fraction form
    3,734.30/5,147.90 = 2,611.76/x
  3. Step 3: Cross multiply
    3,734.30x = 5,147.90 × 2,611.76
  4. Step 4: Simplify right side
    3,734.30x = 13,445,079.30
  5. Step 5: Solve for x
    x = 13,445,079.30/3,734.30
  6. Step 6: Final answer
    x = 3,600.43

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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.