Home / 3,552.42-5,328.51-1,243.86

Finding the Fourth Proportional to 3,552.42, 5,328.51 and 1,243.86

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Solution

The fourth proportional to 3,552.42, 5,328.51 and 1,243.86 is: 1,865.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.42 : 5,328.51 = 1,243.86 : x
  2. Step 2: Convert to fraction form
    3,552.42/5,328.51 = 1,243.86/x
  3. Step 3: Cross multiply
    3,552.42x = 5,328.51 × 1,243.86
  4. Step 4: Simplify right side
    3,552.42x = 6,627,920.45
  5. Step 5: Solve for x
    x = 6,627,920.45/3,552.42
  6. Step 6: Final answer
    x = 1,865.75

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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.