Home / 3,854.49-5,319.48-2,908.62

Finding the Fourth Proportional to 3,854.49, 5,319.48 and 2,908.62

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Solution

The fourth proportional to 3,854.49, 5,319.48 and 2,908.62 is: 4,014.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.49 : 5,319.48 = 2,908.62 : x
  2. Step 2: Convert to fraction form
    3,854.49/5,319.48 = 2,908.62/x
  3. Step 3: Cross multiply
    3,854.49x = 5,319.48 × 2,908.62
  4. Step 4: Simplify right side
    3,854.49x = 15,472,345.92
  5. Step 5: Solve for x
    x = 15,472,345.92/3,854.49
  6. Step 6: Final answer
    x = 4,014.11

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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.