Home / 3,552.79-5,328.10-1,243.75

Finding the Fourth Proportional to 3,552.79, 5,328.10 and 1,243.75

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Solution

The fourth proportional to 3,552.79, 5,328.10 and 1,243.75 is: 1,865.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.79 : 5,328.10 = 1,243.75 : x
  2. Step 2: Convert to fraction form
    3,552.79/5,328.10 = 1,243.75/x
  3. Step 3: Cross multiply
    3,552.79x = 5,328.10 × 1,243.75
  4. Step 4: Simplify right side
    3,552.79x = 6,626,824.38
  5. Step 5: Solve for x
    x = 6,626,824.38/3,552.79
  6. Step 6: Final answer
    x = 1,865.25

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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.