Home / 2,220.24-3,329.94-739.48

Finding the Fourth Proportional to 2,220.24, 3,329.94 and 739.48

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Solution

The fourth proportional to 2,220.24, 3,329.94 and 739.48 is: 1,109.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.24 : 3,329.94 = 739.48 : x
  2. Step 2: Convert to fraction form
    2,220.24/3,329.94 = 739.48/x
  3. Step 3: Cross multiply
    2,220.24x = 3,329.94 × 739.48
  4. Step 4: Simplify right side
    2,220.24x = 2,462,424.03
  5. Step 5: Solve for x
    x = 2,462,424.03/2,220.24
  6. Step 6: Final answer
    x = 1,109.08

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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.