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Finding the Fourth Proportional to 3,375.42, 4,659.12 and 2,049.72

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Solution

The fourth proportional to 3,375.42, 4,659.12 and 2,049.72 is: 2,829.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.42 : 4,659.12 = 2,049.72 : x
  2. Step 2: Convert to fraction form
    3,375.42/4,659.12 = 2,049.72/x
  3. Step 3: Cross multiply
    3,375.42x = 4,659.12 × 2,049.72
  4. Step 4: Simplify right side
    3,375.42x = 9,549,891.45
  5. Step 5: Solve for x
    x = 9,549,891.45/3,375.42
  6. Step 6: Final answer
    x = 2,829.25

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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.