Home / 2,114.51-2,917.99-1,170.29

Finding the Fourth Proportional to 2,114.51, 2,917.99 and 1,170.29

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Solution

The fourth proportional to 2,114.51, 2,917.99 and 1,170.29 is: 1,614.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.51 : 2,917.99 = 1,170.29 : x
  2. Step 2: Convert to fraction form
    2,114.51/2,917.99 = 1,170.29/x
  3. Step 3: Cross multiply
    2,114.51x = 2,917.99 × 1,170.29
  4. Step 4: Simplify right side
    2,114.51x = 3,414,874.08
  5. Step 5: Solve for x
    x = 3,414,874.08/2,114.51
  6. Step 6: Final answer
    x = 1,614.97

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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.