Home / 2,098.80-3,129.66-2,080.04

Finding the Fourth Proportional to 2,098.80, 3,129.66 and 2,080.04

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Solution

The fourth proportional to 2,098.80, 3,129.66 and 2,080.04 is: 3,101.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098.80 : 3,129.66 = 2,080.04 : x
  2. Step 2: Convert to fraction form
    2,098.80/3,129.66 = 2,080.04/x
  3. Step 3: Cross multiply
    2,098.80x = 3,129.66 × 2,080.04
  4. Step 4: Simplify right side
    2,098.80x = 6,509,817.99
  5. Step 5: Solve for x
    x = 6,509,817.99/2,098.80
  6. Step 6: Final answer
    x = 3,101.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.