Home / 3,881.13-5,823.41-2,215.19

Finding the Fourth Proportional to 3,881.13, 5,823.41 and 2,215.19

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Solution

The fourth proportional to 3,881.13, 5,823.41 and 2,215.19 is: 3,323.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.13 : 5,823.41 = 2,215.19 : x
  2. Step 2: Convert to fraction form
    3,881.13/5,823.41 = 2,215.19/x
  3. Step 3: Cross multiply
    3,881.13x = 5,823.41 × 2,215.19
  4. Step 4: Simplify right side
    3,881.13x = 12,899,919.40
  5. Step 5: Solve for x
    x = 12,899,919.40/3,881.13
  6. Step 6: Final answer
    x = 3,323.75

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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.