Home / 3,058.20-4,587.28-1,961.48

Finding the Fourth Proportional to 3,058.20, 4,587.28 and 1,961.48

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Solution

The fourth proportional to 3,058.20, 4,587.28 and 1,961.48 is: 2,942.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.20 : 4,587.28 = 1,961.48 : x
  2. Step 2: Convert to fraction form
    3,058.20/4,587.28 = 1,961.48/x
  3. Step 3: Cross multiply
    3,058.20x = 4,587.28 × 1,961.48
  4. Step 4: Simplify right side
    3,058.20x = 8,997,857.97
  5. Step 5: Solve for x
    x = 8,997,857.97/3,058.20
  6. Step 6: Final answer
    x = 2,942.21

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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.