Home / 2,869.80-4,301.11-1,224.43

Finding the Fourth Proportional to 2,869.80, 4,301.11 and 1,224.43

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Solution

The fourth proportional to 2,869.80, 4,301.11 and 1,224.43 is: 1,835.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.80 : 4,301.11 = 1,224.43 : x
  2. Step 2: Convert to fraction form
    2,869.80/4,301.11 = 1,224.43/x
  3. Step 3: Cross multiply
    2,869.80x = 4,301.11 × 1,224.43
  4. Step 4: Simplify right side
    2,869.80x = 5,266,408.12
  5. Step 5: Solve for x
    x = 5,266,408.12/2,869.80
  6. Step 6: Final answer
    x = 1,835.11

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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.