Home / 3,058.20-4,587.30-1,326.78

Finding the Fourth Proportional to 3,058.20, 4,587.30 and 1,326.78

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Solution

The fourth proportional to 3,058.20, 4,587.30 and 1,326.78 is: 1,990.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.20 : 4,587.30 = 1,326.78 : x
  2. Step 2: Convert to fraction form
    3,058.20/4,587.30 = 1,326.78/x
  3. Step 3: Cross multiply
    3,058.20x = 4,587.30 × 1,326.78
  4. Step 4: Simplify right side
    3,058.20x = 6,086,337.89
  5. Step 5: Solve for x
    x = 6,086,337.89/3,058.20
  6. Step 6: Final answer
    x = 1,990.17

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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.