Home / 2,767.69-4,151.52-2,279.71

Finding the Fourth Proportional to 2,767.69, 4,151.52 and 2,279.71

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Solution

The fourth proportional to 2,767.69, 4,151.52 and 2,279.71 is: 3,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.69 : 4,151.52 = 2,279.71 : x
  2. Step 2: Convert to fraction form
    2,767.69/4,151.52 = 2,279.71/x
  3. Step 3: Cross multiply
    2,767.69x = 4,151.52 × 2,279.71
  4. Step 4: Simplify right side
    2,767.69x = 9,464,261.66
  5. Step 5: Solve for x
    x = 9,464,261.66/2,767.69
  6. Step 6: Final answer
    x = 3,419.55

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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.