Home / 3,245.70-4,481.43-2,535.78

Finding the Fourth Proportional to 3,245.70, 4,481.43 and 2,535.78

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Solution

The fourth proportional to 3,245.70, 4,481.43 and 2,535.78 is: 3,501.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.70 : 4,481.43 = 2,535.78 : x
  2. Step 2: Convert to fraction form
    3,245.70/4,481.43 = 2,535.78/x
  3. Step 3: Cross multiply
    3,245.70x = 4,481.43 × 2,535.78
  4. Step 4: Simplify right side
    3,245.70x = 11,363,920.57
  5. Step 5: Solve for x
    x = 11,363,920.57/3,245.70
  6. Step 6: Final answer
    x = 3,501.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.