Home / 2,456.49-3,384.68-1,669.17

Finding the Fourth Proportional to 2,456.49, 3,384.68 and 1,669.17

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Solution

The fourth proportional to 2,456.49, 3,384.68 and 1,669.17 is: 2,299.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.49 : 3,384.68 = 1,669.17 : x
  2. Step 2: Convert to fraction form
    2,456.49/3,384.68 = 1,669.17/x
  3. Step 3: Cross multiply
    2,456.49x = 3,384.68 × 1,669.17
  4. Step 4: Simplify right side
    2,456.49x = 5,649,597.97
  5. Step 5: Solve for x
    x = 5,649,597.97/2,456.49
  6. Step 6: Final answer
    x = 2,299.87

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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.