Home / 2,767.74-4,150.80-2,279.58

Finding the Fourth Proportional to 2,767.74, 4,150.80 and 2,279.58

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Solution

The fourth proportional to 2,767.74, 4,150.80 and 2,279.58 is: 3,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.74 : 4,150.80 = 2,279.58 : x
  2. Step 2: Convert to fraction form
    2,767.74/4,150.80 = 2,279.58/x
  3. Step 3: Cross multiply
    2,767.74x = 4,150.80 × 2,279.58
  4. Step 4: Simplify right side
    2,767.74x = 9,462,080.66
  5. Step 5: Solve for x
    x = 9,462,080.66/2,767.74
  6. Step 6: Final answer
    x = 3,418.70

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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.