Home / 3,170.86-4,375.67-1,754.46

Finding the Fourth Proportional to 3,170.86, 4,375.67 and 1,754.46

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Solution

The fourth proportional to 3,170.86, 4,375.67 and 1,754.46 is: 2,421.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.86 : 4,375.67 = 1,754.46 : x
  2. Step 2: Convert to fraction form
    3,170.86/4,375.67 = 1,754.46/x
  3. Step 3: Cross multiply
    3,170.86x = 4,375.67 × 1,754.46
  4. Step 4: Simplify right side
    3,170.86x = 7,676,939.08
  5. Step 5: Solve for x
    x = 7,676,939.08/3,170.86
  6. Step 6: Final answer
    x = 2,421.09

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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.