Home / 3,058.49-4,577.30-2,121.75

Finding the Fourth Proportional to 3,058.49, 4,577.30 and 2,121.75

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Solution

The fourth proportional to 3,058.49, 4,577.30 and 2,121.75 is: 3,175.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.49 : 4,577.30 = 2,121.75 : x
  2. Step 2: Convert to fraction form
    3,058.49/4,577.30 = 2,121.75/x
  3. Step 3: Cross multiply
    3,058.49x = 4,577.30 × 2,121.75
  4. Step 4: Simplify right side
    3,058.49x = 9,711,886.28
  5. Step 5: Solve for x
    x = 9,711,886.28/3,058.49
  6. Step 6: Final answer
    x = 3,175.39

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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.