Home / 3,880.13-5,821.91-2,214.19

Finding the Fourth Proportional to 3,880.13, 5,821.91 and 2,214.19

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Solution

The fourth proportional to 3,880.13, 5,821.91 and 2,214.19 is: 3,322.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880.13 : 5,821.91 = 2,214.19 : x
  2. Step 2: Convert to fraction form
    3,880.13/5,821.91 = 2,214.19/x
  3. Step 3: Cross multiply
    3,880.13x = 5,821.91 × 2,214.19
  4. Step 4: Simplify right side
    3,880.13x = 12,890,774.72
  5. Step 5: Solve for x
    x = 12,890,774.72/3,880.13
  6. Step 6: Final answer
    x = 3,322.25

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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.