Home / 3,631.60-5,012.39-2,305.04

Finding the Fourth Proportional to 3,631.60, 5,012.39 and 2,305.04

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Solution

The fourth proportional to 3,631.60, 5,012.39 and 2,305.04 is: 3,181.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.60 : 5,012.39 = 2,305.04 : x
  2. Step 2: Convert to fraction form
    3,631.60/5,012.39 = 2,305.04/x
  3. Step 3: Cross multiply
    3,631.60x = 5,012.39 × 2,305.04
  4. Step 4: Simplify right side
    3,631.60x = 11,553,747.92
  5. Step 5: Solve for x
    x = 11,553,747.92/3,631.60
  6. Step 6: Final answer
    x = 3,181.45

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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.