Home / 3,679.31-5,073.99-2,838.66

Finding the Fourth Proportional to 3,679.31, 5,073.99 and 2,838.66

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Solution

The fourth proportional to 3,679.31, 5,073.99 and 2,838.66 is: 3,914.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.31 : 5,073.99 = 2,838.66 : x
  2. Step 2: Convert to fraction form
    3,679.31/5,073.99 = 2,838.66/x
  3. Step 3: Cross multiply
    3,679.31x = 5,073.99 × 2,838.66
  4. Step 4: Simplify right side
    3,679.31x = 14,403,332.45
  5. Step 5: Solve for x
    x = 14,403,332.45/3,679.31
  6. Step 6: Final answer
    x = 3,914.69

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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.