Home / 1,543.52-2,299.96-1,469.20

Finding the Fourth Proportional to 1,543.52, 2,299.96 and 1,469.20

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Solution

The fourth proportional to 1,543.52, 2,299.96 and 1,469.20 is: 2,189.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543.52 : 2,299.96 = 1,469.20 : x
  2. Step 2: Convert to fraction form
    1,543.52/2,299.96 = 1,469.20/x
  3. Step 3: Cross multiply
    1,543.52x = 2,299.96 × 1,469.20
  4. Step 4: Simplify right side
    1,543.52x = 3,379,101.23
  5. Step 5: Solve for x
    x = 3,379,101.23/1,543.52
  6. Step 6: Final answer
    x = 2,189.22

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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.