Home / 3,848.72-5,755.05-2,749.68

Finding the Fourth Proportional to 3,848.72, 5,755.05 and 2,749.68

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Solution

The fourth proportional to 3,848.72, 5,755.05 and 2,749.68 is: 4,111.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.72 : 5,755.05 = 2,749.68 : x
  2. Step 2: Convert to fraction form
    3,848.72/5,755.05 = 2,749.68/x
  3. Step 3: Cross multiply
    3,848.72x = 5,755.05 × 2,749.68
  4. Step 4: Simplify right side
    3,848.72x = 15,824,545.88
  5. Step 5: Solve for x
    x = 15,824,545.88/3,848.72
  6. Step 6: Final answer
    x = 4,111.64

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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.