Home / 3,416.80-4,713.51-2,943.88

Finding the Fourth Proportional to 3,416.80, 4,713.51 and 2,943.88

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Solution

The fourth proportional to 3,416.80, 4,713.51 and 2,943.88 is: 4,061.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.80 : 4,713.51 = 2,943.88 : x
  2. Step 2: Convert to fraction form
    3,416.80/4,713.51 = 2,943.88/x
  3. Step 3: Cross multiply
    3,416.80x = 4,713.51 × 2,943.88
  4. Step 4: Simplify right side
    3,416.80x = 13,876,007.82
  5. Step 5: Solve for x
    x = 13,876,007.82/3,416.80
  6. Step 6: Final answer
    x = 4,061.11

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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.