Home / 2,398.46-3,308.45-1,768.79

Finding the Fourth Proportional to 2,398.46, 3,308.45 and 1,768.79

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Solution

The fourth proportional to 2,398.46, 3,308.45 and 1,768.79 is: 2,439.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398.46 : 3,308.45 = 1,768.79 : x
  2. Step 2: Convert to fraction form
    2,398.46/3,308.45 = 1,768.79/x
  3. Step 3: Cross multiply
    2,398.46x = 3,308.45 × 1,768.79
  4. Step 4: Simplify right side
    2,398.46x = 5,851,934.09
  5. Step 5: Solve for x
    x = 5,851,934.09/2,398.46
  6. Step 6: Final answer
    x = 2,439.87

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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.