Home / 3,387.79-5,081.69-2,225.14

Finding the Fourth Proportional to 3,387.79, 5,081.69 and 2,225.14

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Solution

The fourth proportional to 3,387.79, 5,081.69 and 2,225.14 is: 3,337.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.79 : 5,081.69 = 2,225.14 : x
  2. Step 2: Convert to fraction form
    3,387.79/5,081.69 = 2,225.14/x
  3. Step 3: Cross multiply
    3,387.79x = 5,081.69 × 2,225.14
  4. Step 4: Simplify right side
    3,387.79x = 11,307,464.55
  5. Step 5: Solve for x
    x = 11,307,464.55/3,387.79
  6. Step 6: Final answer
    x = 3,337.71

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Double scale
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Similar ratio
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1.5x scale

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.