Home / 2,182.90-3,272.70-1,088.02

Finding the Fourth Proportional to 2,182.90, 3,272.70 and 1,088.02

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Solution

The fourth proportional to 2,182.90, 3,272.70 and 1,088.02 is: 1,631.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.90 : 3,272.70 = 1,088.02 : x
  2. Step 2: Convert to fraction form
    2,182.90/3,272.70 = 1,088.02/x
  3. Step 3: Cross multiply
    2,182.90x = 3,272.70 × 1,088.02
  4. Step 4: Simplify right side
    2,182.90x = 3,560,763.05
  5. Step 5: Solve for x
    x = 3,560,763.05/2,182.90
  6. Step 6: Final answer
    x = 1,631.21

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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.