Home / 2,113.95-2,917.26-1,169.69

Finding the Fourth Proportional to 2,113.95, 2,917.26 and 1,169.69

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Solution

The fourth proportional to 2,113.95, 2,917.26 and 1,169.69 is: 1,614.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.95 : 2,917.26 = 1,169.69 : x
  2. Step 2: Convert to fraction form
    2,113.95/2,917.26 = 1,169.69/x
  3. Step 3: Cross multiply
    2,113.95x = 2,917.26 × 1,169.69
  4. Step 4: Simplify right side
    2,113.95x = 3,412,275.26
  5. Step 5: Solve for x
    x = 3,412,275.26/2,113.95
  6. Step 6: Final answer
    x = 1,614.17

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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.