Home / 3,358.97-5,036.51-1,279.12

Finding the Fourth Proportional to 3,358.97, 5,036.51 and 1,279.12

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Solution

The fourth proportional to 3,358.97, 5,036.51 and 1,279.12 is: 1,917.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.97 : 5,036.51 = 1,279.12 : x
  2. Step 2: Convert to fraction form
    3,358.97/5,036.51 = 1,279.12/x
  3. Step 3: Cross multiply
    3,358.97x = 5,036.51 × 1,279.12
  4. Step 4: Simplify right side
    3,358.97x = 6,442,281.68
  5. Step 5: Solve for x
    x = 6,442,281.68/3,358.97
  6. Step 6: Final answer
    x = 1,917.93

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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.