Home / 2,057.43-2,838.68-1,217.77

Finding the Fourth Proportional to 2,057.43, 2,838.68 and 1,217.77

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Solution

The fourth proportional to 2,057.43, 2,838.68 and 1,217.77 is: 1,680.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.43 : 2,838.68 = 1,217.77 : x
  2. Step 2: Convert to fraction form
    2,057.43/2,838.68 = 1,217.77/x
  3. Step 3: Cross multiply
    2,057.43x = 2,838.68 × 1,217.77
  4. Step 4: Simplify right side
    2,057.43x = 3,456,850.72
  5. Step 5: Solve for x
    x = 3,456,850.72/2,057.43
  6. Step 6: Final answer
    x = 1,680.18

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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.