Home / 2,701.41-3,727.35-1,581.78

Finding the Fourth Proportional to 2,701.41, 3,727.35 and 1,581.78

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Solution

The fourth proportional to 2,701.41, 3,727.35 and 1,581.78 is: 2,182.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.41 : 3,727.35 = 1,581.78 : x
  2. Step 2: Convert to fraction form
    2,701.41/3,727.35 = 1,581.78/x
  3. Step 3: Cross multiply
    2,701.41x = 3,727.35 × 1,581.78
  4. Step 4: Simplify right side
    2,701.41x = 5,895,847.68
  5. Step 5: Solve for x
    x = 5,895,847.68/2,701.41
  6. Step 6: Final answer
    x = 2,182.51

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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.