Home / 3,591.12-4,955.41-1,997.70

Finding the Fourth Proportional to 3,591.12, 4,955.41 and 1,997.70

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Solution

The fourth proportional to 3,591.12, 4,955.41 and 1,997.70 is: 2,756.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.12 : 4,955.41 = 1,997.70 : x
  2. Step 2: Convert to fraction form
    3,591.12/4,955.41 = 1,997.70/x
  3. Step 3: Cross multiply
    3,591.12x = 4,955.41 × 1,997.70
  4. Step 4: Simplify right side
    3,591.12x = 9,899,422.56
  5. Step 5: Solve for x
    x = 9,899,422.56/3,591.12
  6. Step 6: Final answer
    x = 2,756.64

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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.