Home / 2,114.28-2,917.67-1,170.14

Finding the Fourth Proportional to 2,114.28, 2,917.67 and 1,170.14

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Solution

The fourth proportional to 2,114.28, 2,917.67 and 1,170.14 is: 1,614.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.28 : 2,917.67 = 1,170.14 : x
  2. Step 2: Convert to fraction form
    2,114.28/2,917.67 = 1,170.14/x
  3. Step 3: Cross multiply
    2,114.28x = 2,917.67 × 1,170.14
  4. Step 4: Simplify right side
    2,114.28x = 3,414,061.93
  5. Step 5: Solve for x
    x = 3,414,061.93/2,114.28
  6. Step 6: Final answer
    x = 1,614.76

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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.