Home / 3,398.97-4,688.96-2,404.79

Finding the Fourth Proportional to 3,398.97, 4,688.96 and 2,404.79

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Solution

The fourth proportional to 3,398.97, 4,688.96 and 2,404.79 is: 3,317.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.97 : 4,688.96 = 2,404.79 : x
  2. Step 2: Convert to fraction form
    3,398.97/4,688.96 = 2,404.79/x
  3. Step 3: Cross multiply
    3,398.97x = 4,688.96 × 2,404.79
  4. Step 4: Simplify right side
    3,398.97x = 11,275,964.12
  5. Step 5: Solve for x
    x = 11,275,964.12/3,398.97
  6. Step 6: Final answer
    x = 3,317.47

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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.