Home / 2,789.50-3,849.24-1,610.95

Finding the Fourth Proportional to 2,789.50, 3,849.24 and 1,610.95

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Solution

The fourth proportional to 2,789.50, 3,849.24 and 1,610.95 is: 2,222.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.50 : 3,849.24 = 1,610.95 : x
  2. Step 2: Convert to fraction form
    2,789.50/3,849.24 = 1,610.95/x
  3. Step 3: Cross multiply
    2,789.50x = 3,849.24 × 1,610.95
  4. Step 4: Simplify right side
    2,789.50x = 6,200,933.18
  5. Step 5: Solve for x
    x = 6,200,933.18/2,789.50
  6. Step 6: Final answer
    x = 2,222.96

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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.