Home / 1,961.26-2,704.95-1,724.71

Finding the Fourth Proportional to 1,961.26, 2,704.95 and 1,724.71

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Solution

The fourth proportional to 1,961.26, 2,704.95 and 1,724.71 is: 2,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961.26 : 2,704.95 = 1,724.71 : x
  2. Step 2: Convert to fraction form
    1,961.26/2,704.95 = 1,724.71/x
  3. Step 3: Cross multiply
    1,961.26x = 2,704.95 × 1,724.71
  4. Step 4: Simplify right side
    1,961.26x = 4,665,247.55
  5. Step 5: Solve for x
    x = 4,665,247.55/1,961.26
  6. Step 6: Final answer
    x = 2,378.70

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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.