Home / 3,544.20-5,316.52-1,079.20

Finding the Fourth Proportional to 3,544.20, 5,316.52 and 1,079.20

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Solution

The fourth proportional to 3,544.20, 5,316.52 and 1,079.20 is: 1,618.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,544.20 : 5,316.52 = 1,079.20 : x
  2. Step 2: Convert to fraction form
    3,544.20/5,316.52 = 1,079.20/x
  3. Step 3: Cross multiply
    3,544.20x = 5,316.52 × 1,079.20
  4. Step 4: Simplify right side
    3,544.20x = 5,737,588.38
  5. Step 5: Solve for x
    x = 5,737,588.38/3,544.20
  6. Step 6: Final answer
    x = 1,618.87

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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.