Home / 2,872.04-4,310.21-2,301.80

Finding the Fourth Proportional to 2,872.04, 4,310.21 and 2,301.80

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Solution

The fourth proportional to 2,872.04, 4,310.21 and 2,301.80 is: 3,454.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.04 : 4,310.21 = 2,301.80 : x
  2. Step 2: Convert to fraction form
    2,872.04/4,310.21 = 2,301.80/x
  3. Step 3: Cross multiply
    2,872.04x = 4,310.21 × 2,301.80
  4. Step 4: Simplify right side
    2,872.04x = 9,921,225.58
  5. Step 5: Solve for x
    x = 9,921,225.58/2,872.04
  6. Step 6: Final answer
    x = 3,454.42

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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.