Home / 3,170.89-4,375.95-1,773.64

Finding the Fourth Proportional to 3,170.89, 4,375.95 and 1,773.64

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Solution

The fourth proportional to 3,170.89, 4,375.95 and 1,773.64 is: 2,447.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.89 : 4,375.95 = 1,773.64 : x
  2. Step 2: Convert to fraction form
    3,170.89/4,375.95 = 1,773.64/x
  3. Step 3: Cross multiply
    3,170.89x = 4,375.95 × 1,773.64
  4. Step 4: Simplify right side
    3,170.89x = 7,761,359.96
  5. Step 5: Solve for x
    x = 7,761,359.96/3,170.89
  6. Step 6: Final answer
    x = 2,447.69

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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.