Home / 3,995.18-5,512.82-2,316.55

Finding the Fourth Proportional to 3,995.18, 5,512.82 and 2,316.55

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Solution

The fourth proportional to 3,995.18, 5,512.82 and 2,316.55 is: 3,196.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.18 : 5,512.82 = 2,316.55 : x
  2. Step 2: Convert to fraction form
    3,995.18/5,512.82 = 2,316.55/x
  3. Step 3: Cross multiply
    3,995.18x = 5,512.82 × 2,316.55
  4. Step 4: Simplify right side
    3,995.18x = 12,770,723.17
  5. Step 5: Solve for x
    x = 12,770,723.17/3,995.18
  6. Step 6: Final answer
    x = 3,196.53

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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.