Home / 3,081.18-4,619.61-1,133.13

Finding the Fourth Proportional to 3,081.18, 4,619.61 and 1,133.13

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Solution

The fourth proportional to 3,081.18, 4,619.61 and 1,133.13 is: 1,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.18 : 4,619.61 = 1,133.13 : x
  2. Step 2: Convert to fraction form
    3,081.18/4,619.61 = 1,133.13/x
  3. Step 3: Cross multiply
    3,081.18x = 4,619.61 × 1,133.13
  4. Step 4: Simplify right side
    3,081.18x = 5,234,618.68
  5. Step 5: Solve for x
    x = 5,234,618.68/3,081.18
  6. Step 6: Final answer
    x = 1,698.90

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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.