Home / 3,195.72-4,403.97-2,663.55

Finding the Fourth Proportional to 3,195.72, 4,403.97 and 2,663.55

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Solution

The fourth proportional to 3,195.72, 4,403.97 and 2,663.55 is: 3,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.72 : 4,403.97 = 2,663.55 : x
  2. Step 2: Convert to fraction form
    3,195.72/4,403.97 = 2,663.55/x
  3. Step 3: Cross multiply
    3,195.72x = 4,403.97 × 2,663.55
  4. Step 4: Simplify right side
    3,195.72x = 11,730,194.29
  5. Step 5: Solve for x
    x = 11,730,194.29/3,195.72
  6. Step 6: Final answer
    x = 3,670.60

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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.