Home / 3,872.01-5,344.55-2,630.73

Finding the Fourth Proportional to 3,872.01, 5,344.55 and 2,630.73

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Solution

The fourth proportional to 3,872.01, 5,344.55 and 2,630.73 is: 3,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.01 : 5,344.55 = 2,630.73 : x
  2. Step 2: Convert to fraction form
    3,872.01/5,344.55 = 2,630.73/x
  3. Step 3: Cross multiply
    3,872.01x = 5,344.55 × 2,630.73
  4. Step 4: Simplify right side
    3,872.01x = 14,060,054.87
  5. Step 5: Solve for x
    x = 14,060,054.87/3,872.01
  6. Step 6: Final answer
    x = 3,631.20

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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.