Home / 3,238.72-4,851.60-3,234.40

Finding the Fourth Proportional to 3,238.72, 4,851.60 and 3,234.40

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Solution

The fourth proportional to 3,238.72, 4,851.60 and 3,234.40 is: 4,845.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.72 : 4,851.60 = 3,234.40 : x
  2. Step 2: Convert to fraction form
    3,238.72/4,851.60 = 3,234.40/x
  3. Step 3: Cross multiply
    3,238.72x = 4,851.60 × 3,234.40
  4. Step 4: Simplify right side
    3,238.72x = 15,692,015.04
  5. Step 5: Solve for x
    x = 15,692,015.04/3,238.72
  6. Step 6: Final answer
    x = 4,845.13

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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.