Home / 2,397.67-3,308.79-1,349.80

Finding the Fourth Proportional to 2,397.67, 3,308.79 and 1,349.80

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Solution

The fourth proportional to 2,397.67, 3,308.79 and 1,349.80 is: 1,862.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,397.67 : 3,308.79 = 1,349.80 : x
  2. Step 2: Convert to fraction form
    2,397.67/3,308.79 = 1,349.80/x
  3. Step 3: Cross multiply
    2,397.67x = 3,308.79 × 1,349.80
  4. Step 4: Simplify right side
    2,397.67x = 4,466,204.74
  5. Step 5: Solve for x
    x = 4,466,204.74/2,397.67
  6. Step 6: Final answer
    x = 1,862.73

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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.