Home / 3,893.04-5,371.94-2,214.12

Finding the Fourth Proportional to 3,893.04, 5,371.94 and 2,214.12

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Solution

The fourth proportional to 3,893.04, 5,371.94 and 2,214.12 is: 3,055.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.04 : 5,371.94 = 2,214.12 : x
  2. Step 2: Convert to fraction form
    3,893.04/5,371.94 = 2,214.12/x
  3. Step 3: Cross multiply
    3,893.04x = 5,371.94 × 2,214.12
  4. Step 4: Simplify right side
    3,893.04x = 11,894,119.79
  5. Step 5: Solve for x
    x = 11,894,119.79/3,893.04
  6. Step 6: Final answer
    x = 3,055.23

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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.