Home / 3,191.35-4,402.96-1,995.52

Finding the Fourth Proportional to 3,191.35, 4,402.96 and 1,995.52

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Solution

The fourth proportional to 3,191.35, 4,402.96 and 1,995.52 is: 2,753.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.35 : 4,402.96 = 1,995.52 : x
  2. Step 2: Convert to fraction form
    3,191.35/4,402.96 = 1,995.52/x
  3. Step 3: Cross multiply
    3,191.35x = 4,402.96 × 1,995.52
  4. Step 4: Simplify right side
    3,191.35x = 8,786,194.74
  5. Step 5: Solve for x
    x = 8,786,194.74/3,191.35
  6. Step 6: Final answer
    x = 2,753.13

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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.