Home / 3,732.12-5,147.46-2,405.04

Finding the Fourth Proportional to 3,732.12, 5,147.46 and 2,405.04

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Solution

The fourth proportional to 3,732.12, 5,147.46 and 2,405.04 is: 3,317.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,732.12 : 5,147.46 = 2,405.04 : x
  2. Step 2: Convert to fraction form
    3,732.12/5,147.46 = 2,405.04/x
  3. Step 3: Cross multiply
    3,732.12x = 5,147.46 × 2,405.04
  4. Step 4: Simplify right side
    3,732.12x = 12,379,847.20
  5. Step 5: Solve for x
    x = 12,379,847.20/3,732.12
  6. Step 6: Final answer
    x = 3,317.11

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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.