Home / 3,808.14-5,255.16-2,214.90

Finding the Fourth Proportional to 3,808.14, 5,255.16 and 2,214.90

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Solution

The fourth proportional to 3,808.14, 5,255.16 and 2,214.90 is: 3,056.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.14 : 5,255.16 = 2,214.90 : x
  2. Step 2: Convert to fraction form
    3,808.14/5,255.16 = 2,214.90/x
  3. Step 3: Cross multiply
    3,808.14x = 5,255.16 × 2,214.90
  4. Step 4: Simplify right side
    3,808.14x = 11,639,653.88
  5. Step 5: Solve for x
    x = 11,639,653.88/3,808.14
  6. Step 6: Final answer
    x = 3,056.52

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1.5x scale

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.