Home / 3,387.13-5,083.13-2,089.51

Finding the Fourth Proportional to 3,387.13, 5,083.13 and 2,089.51

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Solution

The fourth proportional to 3,387.13, 5,083.13 and 2,089.51 is: 3,135.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.13 : 5,083.13 = 2,089.51 : x
  2. Step 2: Convert to fraction form
    3,387.13/5,083.13 = 2,089.51/x
  3. Step 3: Cross multiply
    3,387.13x = 5,083.13 × 2,089.51
  4. Step 4: Simplify right side
    3,387.13x = 10,621,250.97
  5. Step 5: Solve for x
    x = 10,621,250.97/3,387.13
  6. Step 6: Final answer
    x = 3,135.77

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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.