Home / 2,040.45-2,819.97-1,542.93

Finding the Fourth Proportional to 2,040.45, 2,819.97 and 1,542.93

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Solution

The fourth proportional to 2,040.45, 2,819.97 and 1,542.93 is: 2,132.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.45 : 2,819.97 = 1,542.93 : x
  2. Step 2: Convert to fraction form
    2,040.45/2,819.97 = 1,542.93/x
  3. Step 3: Cross multiply
    2,040.45x = 2,819.97 × 1,542.93
  4. Step 4: Simplify right side
    2,040.45x = 4,351,016.31
  5. Step 5: Solve for x
    x = 4,351,016.31/2,040.45
  6. Step 6: Final answer
    x = 2,132.38

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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.