Home / 3,133.57-4,322.61-1,997.13

Finding the Fourth Proportional to 3,133.57, 4,322.61 and 1,997.13

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Solution

The fourth proportional to 3,133.57, 4,322.61 and 1,997.13 is: 2,754.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.57 : 4,322.61 = 1,997.13 : x
  2. Step 2: Convert to fraction form
    3,133.57/4,322.61 = 1,997.13/x
  3. Step 3: Cross multiply
    3,133.57x = 4,322.61 × 1,997.13
  4. Step 4: Simplify right side
    3,133.57x = 8,632,814.11
  5. Step 5: Solve for x
    x = 8,632,814.11/3,133.57
  6. Step 6: Final answer
    x = 2,754.95

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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.