Home / 3,675.79-5,073.56-2,279.71

Finding the Fourth Proportional to 3,675.79, 5,073.56 and 2,279.71

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Solution

The fourth proportional to 3,675.79, 5,073.56 and 2,279.71 is: 3,146.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.79 : 5,073.56 = 2,279.71 : x
  2. Step 2: Convert to fraction form
    3,675.79/5,073.56 = 2,279.71/x
  3. Step 3: Cross multiply
    3,675.79x = 5,073.56 × 2,279.71
  4. Step 4: Simplify right side
    3,675.79x = 11,566,245.47
  5. Step 5: Solve for x
    x = 11,566,245.47/3,675.79
  6. Step 6: Final answer
    x = 3,146.60

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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.