Home / 2,144.97-2,960.01-1,260.57

Finding the Fourth Proportional to 2,144.97, 2,960.01 and 1,260.57

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Solution

The fourth proportional to 2,144.97, 2,960.01 and 1,260.57 is: 1,739.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144.97 : 2,960.01 = 1,260.57 : x
  2. Step 2: Convert to fraction form
    2,144.97/2,960.01 = 1,260.57/x
  3. Step 3: Cross multiply
    2,144.97x = 2,960.01 × 1,260.57
  4. Step 4: Simplify right side
    2,144.97x = 3,731,299.81
  5. Step 5: Solve for x
    x = 3,731,299.81/2,144.97
  6. Step 6: Final answer
    x = 1,739.56

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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.