Home / 3,288.48-4,921.20-2,553.36

Finding the Fourth Proportional to 3,288.48, 4,921.20 and 2,553.36

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Solution

The fourth proportional to 3,288.48, 4,921.20 and 2,553.36 is: 3,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.48 : 4,921.20 = 2,553.36 : x
  2. Step 2: Convert to fraction form
    3,288.48/4,921.20 = 2,553.36/x
  3. Step 3: Cross multiply
    3,288.48x = 4,921.20 × 2,553.36
  4. Step 4: Simplify right side
    3,288.48x = 12,565,595.23
  5. Step 5: Solve for x
    x = 12,565,595.23/3,288.48
  6. Step 6: Final answer
    x = 3,821.10

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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.