Home / 2,789.32-3,849.11-1,610.32

Finding the Fourth Proportional to 2,789.32, 3,849.11 and 1,610.32

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Solution

The fourth proportional to 2,789.32, 3,849.11 and 1,610.32 is: 2,222.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.32 : 3,849.11 = 1,610.32 : x
  2. Step 2: Convert to fraction form
    2,789.32/3,849.11 = 1,610.32/x
  3. Step 3: Cross multiply
    2,789.32x = 3,849.11 × 1,610.32
  4. Step 4: Simplify right side
    2,789.32x = 6,198,279.57
  5. Step 5: Solve for x
    x = 6,198,279.57/2,789.32
  6. Step 6: Final answer
    x = 2,222.15

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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.