Home / 2,632.11-3,947.49-1,245.08

Finding the Fourth Proportional to 2,632.11, 3,947.49 and 1,245.08

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Solution

The fourth proportional to 2,632.11, 3,947.49 and 1,245.08 is: 1,867.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632.11 : 3,947.49 = 1,245.08 : x
  2. Step 2: Convert to fraction form
    2,632.11/3,947.49 = 1,245.08/x
  3. Step 3: Cross multiply
    2,632.11x = 3,947.49 × 1,245.08
  4. Step 4: Simplify right side
    2,632.11x = 4,914,921.11
  5. Step 5: Solve for x
    x = 4,914,921.11/2,632.11
  6. Step 6: Final answer
    x = 1,867.29

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1.5x scale

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.