Home / 3,154.20-4,731.96-1,074.04

Finding the Fourth Proportional to 3,154.20, 4,731.96 and 1,074.04

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Solution

The fourth proportional to 3,154.20, 4,731.96 and 1,074.04 is: 1,611.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.20 : 4,731.96 = 1,074.04 : x
  2. Step 2: Convert to fraction form
    3,154.20/4,731.96 = 1,074.04/x
  3. Step 3: Cross multiply
    3,154.20x = 4,731.96 × 1,074.04
  4. Step 4: Simplify right side
    3,154.20x = 5,082,314.32
  5. Step 5: Solve for x
    x = 5,082,314.32/3,154.20
  6. Step 6: Final answer
    x = 1,611.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.