Home / 3,678.29-5,517.44-2,587.54

Finding the Fourth Proportional to 3,678.29, 5,517.44 and 2,587.54

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Solution

The fourth proportional to 3,678.29, 5,517.44 and 2,587.54 is: 3,881.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.29 : 5,517.44 = 2,587.54 : x
  2. Step 2: Convert to fraction form
    3,678.29/5,517.44 = 2,587.54/x
  3. Step 3: Cross multiply
    3,678.29x = 5,517.44 × 2,587.54
  4. Step 4: Simplify right side
    3,678.29x = 14,276,596.70
  5. Step 5: Solve for x
    x = 14,276,596.70/3,678.29
  6. Step 6: Final answer
    x = 3,881.31

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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.