Home / 2,239.54-3,091.99-1,443.17

Finding the Fourth Proportional to 2,239.54, 3,091.99 and 1,443.17

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Solution

The fourth proportional to 2,239.54, 3,091.99 and 1,443.17 is: 1,992.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.54 : 3,091.99 = 1,443.17 : x
  2. Step 2: Convert to fraction form
    2,239.54/3,091.99 = 1,443.17/x
  3. Step 3: Cross multiply
    2,239.54x = 3,091.99 × 1,443.17
  4. Step 4: Simplify right side
    2,239.54x = 4,462,267.21
  5. Step 5: Solve for x
    x = 4,462,267.21/2,239.54
  6. Step 6: Final answer
    x = 1,992.49

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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.