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Finding the Fourth Proportional to 2,456.29, 3,684.47 and 876.26

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Solution

The fourth proportional to 2,456.29, 3,684.47 and 876.26 is: 1,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.29 : 3,684.47 = 876.26 : x
  2. Step 2: Convert to fraction form
    2,456.29/3,684.47 = 876.26/x
  3. Step 3: Cross multiply
    2,456.29x = 3,684.47 × 876.26
  4. Step 4: Simplify right side
    2,456.29x = 3,228,553.68
  5. Step 5: Solve for x
    x = 3,228,553.68/2,456.29
  6. Step 6: Final answer
    x = 1,314.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.