Home / 3,442.72-4,749.48-2,200

Finding the Fourth Proportional to 3,442.72, 4,749.48 and 2,200

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Solution

The fourth proportional to 3,442.72, 4,749.48 and 2,200 is: 3,035.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.72 : 4,749.48 = 2,200 : x
  2. Step 2: Convert to fraction form
    3,442.72/4,749.48 = 2,200/x
  3. Step 3: Cross multiply
    3,442.72x = 4,749.48 × 2,200
  4. Step 4: Simplify right side
    3,442.72x = 10,448,856.00
  5. Step 5: Solve for x
    x = 10,448,856.00/3,442.72
  6. Step 6: Final answer
    x = 3,035.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.