Home / 3,872.08-5,344.20-2,474.96

Finding the Fourth Proportional to 3,872.08, 5,344.20 and 2,474.96

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Solution

The fourth proportional to 3,872.08, 5,344.20 and 2,474.96 is: 3,415.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.08 : 5,344.20 = 2,474.96 : x
  2. Step 2: Convert to fraction form
    3,872.08/5,344.20 = 2,474.96/x
  3. Step 3: Cross multiply
    3,872.08x = 5,344.20 × 2,474.96
  4. Step 4: Simplify right side
    3,872.08x = 13,226,681.23
  5. Step 5: Solve for x
    x = 13,226,681.23/3,872.08
  6. Step 6: Final answer
    x = 3,415.91

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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.