Home / 2,049.20-3,073.80-1,927.70

Finding the Fourth Proportional to 2,049.20, 3,073.80 and 1,927.70

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Solution

The fourth proportional to 2,049.20, 3,073.80 and 1,927.70 is: 2,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049.20 : 3,073.80 = 1,927.70 : x
  2. Step 2: Convert to fraction form
    2,049.20/3,073.80 = 1,927.70/x
  3. Step 3: Cross multiply
    2,049.20x = 3,073.80 × 1,927.70
  4. Step 4: Simplify right side
    2,049.20x = 5,925,364.26
  5. Step 5: Solve for x
    x = 5,925,364.26/2,049.20
  6. Step 6: Final answer
    x = 2,891.55

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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.