Home / 1,344.09-2,016.13-1,170.88

Finding the Fourth Proportional to 1,344.09, 2,016.13 and 1,170.88

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Solution

The fourth proportional to 1,344.09, 2,016.13 and 1,170.88 is: 1,756.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.09 : 2,016.13 = 1,170.88 : x
  2. Step 2: Convert to fraction form
    1,344.09/2,016.13 = 1,170.88/x
  3. Step 3: Cross multiply
    1,344.09x = 2,016.13 × 1,170.88
  4. Step 4: Simplify right side
    1,344.09x = 2,360,640.52
  5. Step 5: Solve for x
    x = 2,360,640.52/1,344.09
  6. Step 6: Final answer
    x = 1,756.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.