Home / 2,947.97-4,422.87-1,099.23

Finding the Fourth Proportional to 2,947.97, 4,422.87 and 1,099.23

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Solution

The fourth proportional to 2,947.97, 4,422.87 and 1,099.23 is: 1,649.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.97 : 4,422.87 = 1,099.23 : x
  2. Step 2: Convert to fraction form
    2,947.97/4,422.87 = 1,099.23/x
  3. Step 3: Cross multiply
    2,947.97x = 4,422.87 × 1,099.23
  4. Step 4: Simplify right side
    2,947.97x = 4,861,751.39
  5. Step 5: Solve for x
    x = 4,861,751.39/2,947.97
  6. Step 6: Final answer
    x = 1,649.19

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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.