Home / 3,247.45-4,481.47-1,755.37

Finding the Fourth Proportional to 3,247.45, 4,481.47 and 1,755.37

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Solution

The fourth proportional to 3,247.45, 4,481.47 and 1,755.37 is: 2,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.45 : 4,481.47 = 1,755.37 : x
  2. Step 2: Convert to fraction form
    3,247.45/4,481.47 = 1,755.37/x
  3. Step 3: Cross multiply
    3,247.45x = 4,481.47 × 1,755.37
  4. Step 4: Simplify right side
    3,247.45x = 7,866,623.29
  5. Step 5: Solve for x
    x = 7,866,623.29/3,247.45
  6. Step 6: Final answer
    x = 2,422.40

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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.