Home / 3,398.79-4,691.01-2,205.27

Finding the Fourth Proportional to 3,398.79, 4,691.01 and 2,205.27

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Solution

The fourth proportional to 3,398.79, 4,691.01 and 2,205.27 is: 3,043.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.79 : 4,691.01 = 2,205.27 : x
  2. Step 2: Convert to fraction form
    3,398.79/4,691.01 = 2,205.27/x
  3. Step 3: Cross multiply
    3,398.79x = 4,691.01 × 2,205.27
  4. Step 4: Simplify right side
    3,398.79x = 10,344,943.62
  5. Step 5: Solve for x
    x = 10,344,943.62/3,398.79
  6. Step 6: Final answer
    x = 3,043.71

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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.