Home / 3,943.97-5,915.75-1,170.66

Finding the Fourth Proportional to 3,943.97, 5,915.75 and 1,170.66

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Solution

The fourth proportional to 3,943.97, 5,915.75 and 1,170.66 is: 1,755.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.97 : 5,915.75 = 1,170.66 : x
  2. Step 2: Convert to fraction form
    3,943.97/5,915.75 = 1,170.66/x
  3. Step 3: Cross multiply
    3,943.97x = 5,915.75 × 1,170.66
  4. Step 4: Simplify right side
    3,943.97x = 6,925,326.04
  5. Step 5: Solve for x
    x = 6,925,326.04/3,943.97
  6. Step 6: Final answer
    x = 1,755.93

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1.5x scale

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.