Home / 2,321.39-3,478.97-1,334.66

Finding the Fourth Proportional to 2,321.39, 3,478.97 and 1,334.66

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Solution

The fourth proportional to 2,321.39, 3,478.97 and 1,334.66 is: 2,000.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.39 : 3,478.97 = 1,334.66 : x
  2. Step 2: Convert to fraction form
    2,321.39/3,478.97 = 1,334.66/x
  3. Step 3: Cross multiply
    2,321.39x = 3,478.97 × 1,334.66
  4. Step 4: Simplify right side
    2,321.39x = 4,643,218.03
  5. Step 5: Solve for x
    x = 4,643,218.03/2,321.39
  6. Step 6: Final answer
    x = 2,000.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.