Home / 3,398.38-4,686.69-2,202.15

Finding the Fourth Proportional to 3,398.38, 4,686.69 and 2,202.15

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Solution

The fourth proportional to 3,398.38, 4,686.69 and 2,202.15 is: 3,036.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.38 : 4,686.69 = 2,202.15 : x
  2. Step 2: Convert to fraction form
    3,398.38/4,686.69 = 2,202.15/x
  3. Step 3: Cross multiply
    3,398.38x = 4,686.69 × 2,202.15
  4. Step 4: Simplify right side
    3,398.38x = 10,320,794.38
  5. Step 5: Solve for x
    x = 10,320,794.38/3,398.38
  6. Step 6: Final answer
    x = 3,036.97

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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.