Home / 2,960.75-4,086.24-1,718.75

Finding the Fourth Proportional to 2,960.75, 4,086.24 and 1,718.75

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Solution

The fourth proportional to 2,960.75, 4,086.24 and 1,718.75 is: 2,372.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.75 : 4,086.24 = 1,718.75 : x
  2. Step 2: Convert to fraction form
    2,960.75/4,086.24 = 1,718.75/x
  3. Step 3: Cross multiply
    2,960.75x = 4,086.24 × 1,718.75
  4. Step 4: Simplify right side
    2,960.75x = 7,023,225
  5. Step 5: Solve for x
    x = 7,023,225/2,960.75
  6. Step 6: Final answer
    x = 2,372.11

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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.