Home / 3,880.10-5,818.74-1,414.19

Finding the Fourth Proportional to 3,880.10, 5,818.74 and 1,414.19

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Solution

The fourth proportional to 3,880.10, 5,818.74 and 1,414.19 is: 2,120.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880.10 : 5,818.74 = 1,414.19 : x
  2. Step 2: Convert to fraction form
    3,880.10/5,818.74 = 1,414.19/x
  3. Step 3: Cross multiply
    3,880.10x = 5,818.74 × 1,414.19
  4. Step 4: Simplify right side
    3,880.10x = 8,228,813.16
  5. Step 5: Solve for x
    x = 8,228,813.16/3,880.10
  6. Step 6: Final answer
    x = 2,120.77

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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.