Home / 3,245.11-4,867.70-1,053.85

Finding the Fourth Proportional to 3,245.11, 4,867.70 and 1,053.85

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Solution

The fourth proportional to 3,245.11, 4,867.70 and 1,053.85 is: 1,580.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.11 : 4,867.70 = 1,053.85 : x
  2. Step 2: Convert to fraction form
    3,245.11/4,867.70 = 1,053.85/x
  3. Step 3: Cross multiply
    3,245.11x = 4,867.70 × 1,053.85
  4. Step 4: Simplify right side
    3,245.11x = 5,129,825.65
  5. Step 5: Solve for x
    x = 5,129,825.65/3,245.11
  6. Step 6: Final answer
    x = 1,580.79

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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.