Home / 3,058.22-4,587.38-749.72

Finding the Fourth Proportional to 3,058.22, 4,587.38 and 749.72

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Solution

The fourth proportional to 3,058.22, 4,587.38 and 749.72 is: 1,124.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.22 : 4,587.38 = 749.72 : x
  2. Step 2: Convert to fraction form
    3,058.22/4,587.38 = 749.72/x
  3. Step 3: Cross multiply
    3,058.22x = 4,587.38 × 749.72
  4. Step 4: Simplify right side
    3,058.22x = 3,439,250.53
  5. Step 5: Solve for x
    x = 3,439,250.53/3,058.22
  6. Step 6: Final answer
    x = 1,124.59

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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.