Home / 3,894.16-5,373.03-2,215.18

Finding the Fourth Proportional to 3,894.16, 5,373.03 and 2,215.18

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Solution

The fourth proportional to 3,894.16, 5,373.03 and 2,215.18 is: 3,056.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.16 : 5,373.03 = 2,215.18 : x
  2. Step 2: Convert to fraction form
    3,894.16/5,373.03 = 2,215.18/x
  3. Step 3: Cross multiply
    3,894.16x = 5,373.03 × 2,215.18
  4. Step 4: Simplify right side
    3,894.16x = 11,902,228.60
  5. Step 5: Solve for x
    x = 11,902,228.60/3,894.16
  6. Step 6: Final answer
    x = 3,056.43

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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.