Home / 3,587.82-5,386.32-2,766.66

Finding the Fourth Proportional to 3,587.82, 5,386.32 and 2,766.66

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Solution

The fourth proportional to 3,587.82, 5,386.32 and 2,766.66 is: 4,153.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.82 : 5,386.32 = 2,766.66 : x
  2. Step 2: Convert to fraction form
    3,587.82/5,386.32 = 2,766.66/x
  3. Step 3: Cross multiply
    3,587.82x = 5,386.32 × 2,766.66
  4. Step 4: Simplify right side
    3,587.82x = 14,902,116.09
  5. Step 5: Solve for x
    x = 14,902,116.09/3,587.82
  6. Step 6: Final answer
    x = 4,153.53

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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.