Home / 3,182.18-4,389.81-2,249.06

Finding the Fourth Proportional to 3,182.18, 4,389.81 and 2,249.06

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Solution

The fourth proportional to 3,182.18, 4,389.81 and 2,249.06 is: 3,102.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.18 : 4,389.81 = 2,249.06 : x
  2. Step 2: Convert to fraction form
    3,182.18/4,389.81 = 2,249.06/x
  3. Step 3: Cross multiply
    3,182.18x = 4,389.81 × 2,249.06
  4. Step 4: Simplify right side
    3,182.18x = 9,872,946.08
  5. Step 5: Solve for x
    x = 9,872,946.08/3,182.18
  6. Step 6: Final answer
    x = 3,102.57

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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.