Home / 3,968.20-5,476.62-2,397.16

Finding the Fourth Proportional to 3,968.20, 5,476.62 and 2,397.16

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Solution

The fourth proportional to 3,968.20, 5,476.62 and 2,397.16 is: 3,308.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.20 : 5,476.62 = 2,397.16 : x
  2. Step 2: Convert to fraction form
    3,968.20/5,476.62 = 2,397.16/x
  3. Step 3: Cross multiply
    3,968.20x = 5,476.62 × 2,397.16
  4. Step 4: Simplify right side
    3,968.20x = 13,128,334.40
  5. Step 5: Solve for x
    x = 13,128,334.40/3,968.20
  6. Step 6: Final answer
    x = 3,308.39

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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.