Home / 2,724.67-4,088.35-1,081.18

Finding the Fourth Proportional to 2,724.67, 4,088.35 and 1,081.18

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Solution

The fourth proportional to 2,724.67, 4,088.35 and 1,081.18 is: 1,622.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.67 : 4,088.35 = 1,081.18 : x
  2. Step 2: Convert to fraction form
    2,724.67/4,088.35 = 1,081.18/x
  3. Step 3: Cross multiply
    2,724.67x = 4,088.35 × 1,081.18
  4. Step 4: Simplify right side
    2,724.67x = 4,420,221.81
  5. Step 5: Solve for x
    x = 4,420,221.81/2,724.67
  6. Step 6: Final answer
    x = 1,622.30

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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.