Home / 2,027.75-3,042.90-1,478.57

Finding the Fourth Proportional to 2,027.75, 3,042.90 and 1,478.57

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Solution

The fourth proportional to 2,027.75, 3,042.90 and 1,478.57 is: 2,218.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.75 : 3,042.90 = 1,478.57 : x
  2. Step 2: Convert to fraction form
    2,027.75/3,042.90 = 1,478.57/x
  3. Step 3: Cross multiply
    2,027.75x = 3,042.90 × 1,478.57
  4. Step 4: Simplify right side
    2,027.75x = 4,499,125.44
  5. Step 5: Solve for x
    x = 4,499,125.44/2,027.75
  6. Step 6: Final answer
    x = 2,218.78

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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.