Home / 2,694.89-3,717.33-1,645.13

Finding the Fourth Proportional to 2,694.89, 3,717.33 and 1,645.13

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Solution

The fourth proportional to 2,694.89, 3,717.33 and 1,645.13 is: 2,269.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.89 : 3,717.33 = 1,645.13 : x
  2. Step 2: Convert to fraction form
    2,694.89/3,717.33 = 1,645.13/x
  3. Step 3: Cross multiply
    2,694.89x = 3,717.33 × 1,645.13
  4. Step 4: Simplify right side
    2,694.89x = 6,115,472.52
  5. Step 5: Solve for x
    x = 6,115,472.52/2,694.89
  6. Step 6: Final answer
    x = 2,269.29

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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.