Home / 3,631.45-5,012.94-2,454.12

Finding the Fourth Proportional to 3,631.45, 5,012.94 and 2,454.12

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Solution

The fourth proportional to 3,631.45, 5,012.94 and 2,454.12 is: 3,387.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.45 : 5,012.94 = 2,454.12 : x
  2. Step 2: Convert to fraction form
    3,631.45/5,012.94 = 2,454.12/x
  3. Step 3: Cross multiply
    3,631.45x = 5,012.94 × 2,454.12
  4. Step 4: Simplify right side
    3,631.45x = 12,302,331.25
  5. Step 5: Solve for x
    x = 12,302,331.25/3,631.45
  6. Step 6: Final answer
    x = 3,387.72

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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.