Home / 3,893.16-5,371.65-2,214.18

Finding the Fourth Proportional to 3,893.16, 5,371.65 and 2,214.18

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Solution

The fourth proportional to 3,893.16, 5,371.65 and 2,214.18 is: 3,055.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.16 : 5,371.65 = 2,214.18 : x
  2. Step 2: Convert to fraction form
    3,893.16/5,371.65 = 2,214.18/x
  3. Step 3: Cross multiply
    3,893.16x = 5,371.65 × 2,214.18
  4. Step 4: Simplify right side
    3,893.16x = 11,893,800.00
  5. Step 5: Solve for x
    x = 11,893,800.00/3,893.16
  6. Step 6: Final answer
    x = 3,055.05

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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.