Home / 2,760.58-4,139.61-1,650.48

Finding the Fourth Proportional to 2,760.58, 4,139.61 and 1,650.48

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Solution

The fourth proportional to 2,760.58, 4,139.61 and 1,650.48 is: 2,474.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.58 : 4,139.61 = 1,650.48 : x
  2. Step 2: Convert to fraction form
    2,760.58/4,139.61 = 1,650.48/x
  3. Step 3: Cross multiply
    2,760.58x = 4,139.61 × 1,650.48
  4. Step 4: Simplify right side
    2,760.58x = 6,832,321.80
  5. Step 5: Solve for x
    x = 6,832,321.80/2,760.58
  6. Step 6: Final answer
    x = 2,474.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.