Home / 2,023.74-2,793.54-1,581.78

Finding the Fourth Proportional to 2,023.74, 2,793.54 and 1,581.78

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Solution

The fourth proportional to 2,023.74, 2,793.54 and 1,581.78 is: 2,183.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.74 : 2,793.54 = 1,581.78 : x
  2. Step 2: Convert to fraction form
    2,023.74/2,793.54 = 1,581.78/x
  3. Step 3: Cross multiply
    2,023.74x = 2,793.54 × 1,581.78
  4. Step 4: Simplify right side
    2,023.74x = 4,418,757.79
  5. Step 5: Solve for x
    x = 4,418,757.79/2,023.74
  6. Step 6: Final answer
    x = 2,183.47

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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.