Home / 3,972.38-5,482.01-2,577.56

Finding the Fourth Proportional to 3,972.38, 5,482.01 and 2,577.56

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Solution

The fourth proportional to 3,972.38, 5,482.01 and 2,577.56 is: 3,557.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.38 : 5,482.01 = 2,577.56 : x
  2. Step 2: Convert to fraction form
    3,972.38/5,482.01 = 2,577.56/x
  3. Step 3: Cross multiply
    3,972.38x = 5,482.01 × 2,577.56
  4. Step 4: Simplify right side
    3,972.38x = 14,130,188.73
  5. Step 5: Solve for x
    x = 14,130,188.73/3,972.38
  6. Step 6: Final answer
    x = 3,557.11

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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.