Home / 2,334.47-3,221.79-1,339.97

Finding the Fourth Proportional to 2,334.47, 3,221.79 and 1,339.97

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Solution

The fourth proportional to 2,334.47, 3,221.79 and 1,339.97 is: 1,849.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.47 : 3,221.79 = 1,339.97 : x
  2. Step 2: Convert to fraction form
    2,334.47/3,221.79 = 1,339.97/x
  3. Step 3: Cross multiply
    2,334.47x = 3,221.79 × 1,339.97
  4. Step 4: Simplify right side
    2,334.47x = 4,317,101.95
  5. Step 5: Solve for x
    x = 4,317,101.95/2,334.47
  6. Step 6: Final answer
    x = 1,849.29

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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.