Home / 3,499.82-4,828.40-2,007.20

Finding the Fourth Proportional to 3,499.82, 4,828.40 and 2,007.20

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Solution

The fourth proportional to 3,499.82, 4,828.40 and 2,007.20 is: 2,769.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499.82 : 4,828.40 = 2,007.20 : x
  2. Step 2: Convert to fraction form
    3,499.82/4,828.40 = 2,007.20/x
  3. Step 3: Cross multiply
    3,499.82x = 4,828.40 × 2,007.20
  4. Step 4: Simplify right side
    3,499.82x = 9,691,564.48
  5. Step 5: Solve for x
    x = 9,691,564.48/3,499.82
  6. Step 6: Final answer
    x = 2,769.16

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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.