Home / 3,581.68-5,370.56-1,115.84

Finding the Fourth Proportional to 3,581.68, 5,370.56 and 1,115.84

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Solution

The fourth proportional to 3,581.68, 5,370.56 and 1,115.84 is: 1,673.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.68 : 5,370.56 = 1,115.84 : x
  2. Step 2: Convert to fraction form
    3,581.68/5,370.56 = 1,115.84/x
  3. Step 3: Cross multiply
    3,581.68x = 5,370.56 × 1,115.84
  4. Step 4: Simplify right side
    3,581.68x = 5,992,685.67
  5. Step 5: Solve for x
    x = 5,992,685.67/3,581.68
  6. Step 6: Final answer
    x = 1,673.15

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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.