Home / 3,207.20-4,811.93-1,647.93

Finding the Fourth Proportional to 3,207.20, 4,811.93 and 1,647.93

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Solution

The fourth proportional to 3,207.20, 4,811.93 and 1,647.93 is: 2,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.20 : 4,811.93 = 1,647.93 : x
  2. Step 2: Convert to fraction form
    3,207.20/4,811.93 = 1,647.93/x
  3. Step 3: Cross multiply
    3,207.20x = 4,811.93 × 1,647.93
  4. Step 4: Simplify right side
    3,207.20x = 7,929,723.80
  5. Step 5: Solve for x
    x = 7,929,723.80/3,207.20
  6. Step 6: Final answer
    x = 2,472.48

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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.