Home / 3,668.39-5,060.79-2,455.62

Finding the Fourth Proportional to 3,668.39, 5,060.79 and 2,455.62

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Solution

The fourth proportional to 3,668.39, 5,060.79 and 2,455.62 is: 3,387.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.39 : 5,060.79 = 2,455.62 : x
  2. Step 2: Convert to fraction form
    3,668.39/5,060.79 = 2,455.62/x
  3. Step 3: Cross multiply
    3,668.39x = 5,060.79 × 2,455.62
  4. Step 4: Simplify right side
    3,668.39x = 12,427,377.14
  5. Step 5: Solve for x
    x = 12,427,377.14/3,668.39
  6. Step 6: Final answer
    x = 3,387.69

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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.