Home / 2,869.98-4,309.32-2,729.04

Finding the Fourth Proportional to 2,869.98, 4,309.32 and 2,729.04

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Solution

The fourth proportional to 2,869.98, 4,309.32 and 2,729.04 is: 4,097.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.98 : 4,309.32 = 2,729.04 : x
  2. Step 2: Convert to fraction form
    2,869.98/4,309.32 = 2,729.04/x
  3. Step 3: Cross multiply
    2,869.98x = 4,309.32 × 2,729.04
  4. Step 4: Simplify right side
    2,869.98x = 11,760,306.65
  5. Step 5: Solve for x
    x = 11,760,306.65/2,869.98
  6. Step 6: Final answer
    x = 4,097.70

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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.