Home / 1,718.36-2,372.46-1,251.80

Finding the Fourth Proportional to 1,718.36, 2,372.46 and 1,251.80

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Solution

The fourth proportional to 1,718.36, 2,372.46 and 1,251.80 is: 1,728.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.36 : 2,372.46 = 1,251.80 : x
  2. Step 2: Convert to fraction form
    1,718.36/2,372.46 = 1,251.80/x
  3. Step 3: Cross multiply
    1,718.36x = 2,372.46 × 1,251.80
  4. Step 4: Simplify right side
    1,718.36x = 2,969,845.43
  5. Step 5: Solve for x
    x = 2,969,845.43/1,718.36
  6. Step 6: Final answer
    x = 1,728.30

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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.