Home / 3,969.62-5,476.65-2,397.14

Finding the Fourth Proportional to 3,969.62, 5,476.65 and 2,397.14

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Solution

The fourth proportional to 3,969.62, 5,476.65 and 2,397.14 is: 3,307.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.62 : 5,476.65 = 2,397.14 : x
  2. Step 2: Convert to fraction form
    3,969.62/5,476.65 = 2,397.14/x
  3. Step 3: Cross multiply
    3,969.62x = 5,476.65 × 2,397.14
  4. Step 4: Simplify right side
    3,969.62x = 13,128,296.78
  5. Step 5: Solve for x
    x = 13,128,296.78/3,969.62
  6. Step 6: Final answer
    x = 3,307.19

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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.