Home / 2,943.46-4,061.77-1,617.22

Finding the Fourth Proportional to 2,943.46, 4,061.77 and 1,617.22

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Solution

The fourth proportional to 2,943.46, 4,061.77 and 1,617.22 is: 2,231.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.46 : 4,061.77 = 1,617.22 : x
  2. Step 2: Convert to fraction form
    2,943.46/4,061.77 = 1,617.22/x
  3. Step 3: Cross multiply
    2,943.46x = 4,061.77 × 1,617.22
  4. Step 4: Simplify right side
    2,943.46x = 6,568,775.68
  5. Step 5: Solve for x
    x = 6,568,775.68/2,943.46
  6. Step 6: Final answer
    x = 2,231.65

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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.