Home / 3,493.20-5,239.80-1,184.72

Finding the Fourth Proportional to 3,493.20, 5,239.80 and 1,184.72

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Solution

The fourth proportional to 3,493.20, 5,239.80 and 1,184.72 is: 1,777.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.20 : 5,239.80 = 1,184.72 : x
  2. Step 2: Convert to fraction form
    3,493.20/5,239.80 = 1,184.72/x
  3. Step 3: Cross multiply
    3,493.20x = 5,239.80 × 1,184.72
  4. Step 4: Simplify right side
    3,493.20x = 6,207,695.86
  5. Step 5: Solve for x
    x = 6,207,695.86/3,493.20
  6. Step 6: Final answer
    x = 1,777.08

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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.