Home / 1,718.45-2,372.66-1,517.75

Finding the Fourth Proportional to 1,718.45, 2,372.66 and 1,517.75

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Solution

The fourth proportional to 1,718.45, 2,372.66 and 1,517.75 is: 2,095.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.45 : 2,372.66 = 1,517.75 : x
  2. Step 2: Convert to fraction form
    1,718.45/2,372.66 = 1,517.75/x
  3. Step 3: Cross multiply
    1,718.45x = 2,372.66 × 1,517.75
  4. Step 4: Simplify right side
    1,718.45x = 3,601,104.72
  5. Step 5: Solve for x
    x = 3,601,104.72/1,718.45
  6. Step 6: Final answer
    x = 2,095.55

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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.