Home / 2,144.13-2,959.06-1,200.14

Finding the Fourth Proportional to 2,144.13, 2,959.06 and 1,200.14

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Solution

The fourth proportional to 2,144.13, 2,959.06 and 1,200.14 is: 1,656.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144.13 : 2,959.06 = 1,200.14 : x
  2. Step 2: Convert to fraction form
    2,144.13/2,959.06 = 1,200.14/x
  3. Step 3: Cross multiply
    2,144.13x = 2,959.06 × 1,200.14
  4. Step 4: Simplify right side
    2,144.13x = 3,551,286.27
  5. Step 5: Solve for x
    x = 3,551,286.27/2,144.13
  6. Step 6: Final answer
    x = 1,656.28

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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.