Home / 3,242.86-4,865.32-1,161.44

Finding the Fourth Proportional to 3,242.86, 4,865.32 and 1,161.44

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Solution

The fourth proportional to 3,242.86, 4,865.32 and 1,161.44 is: 1,742.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.86 : 4,865.32 = 1,161.44 : x
  2. Step 2: Convert to fraction form
    3,242.86/4,865.32 = 1,161.44/x
  3. Step 3: Cross multiply
    3,242.86x = 4,865.32 × 1,161.44
  4. Step 4: Simplify right side
    3,242.86x = 5,650,777.26
  5. Step 5: Solve for x
    x = 5,650,777.26/3,242.86
  6. Step 6: Final answer
    x = 1,742.53

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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.