Home / 3,251.89-4,484.20-2,189.66

Finding the Fourth Proportional to 3,251.89, 4,484.20 and 2,189.66

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Solution

The fourth proportional to 3,251.89, 4,484.20 and 2,189.66 is: 3,019.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.89 : 4,484.20 = 2,189.66 : x
  2. Step 2: Convert to fraction form
    3,251.89/4,484.20 = 2,189.66/x
  3. Step 3: Cross multiply
    3,251.89x = 4,484.20 × 2,189.66
  4. Step 4: Simplify right side
    3,251.89x = 9,818,873.37
  5. Step 5: Solve for x
    x = 9,818,873.37/3,251.89
  6. Step 6: Final answer
    x = 3,019.44

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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.