Home / 3,880.97-5,842.64-2,656.08

Finding the Fourth Proportional to 3,880.97, 5,842.64 and 2,656.08

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Solution

The fourth proportional to 3,880.97, 5,842.64 and 2,656.08 is: 3,998.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880.97 : 5,842.64 = 2,656.08 : x
  2. Step 2: Convert to fraction form
    3,880.97/5,842.64 = 2,656.08/x
  3. Step 3: Cross multiply
    3,880.97x = 5,842.64 × 2,656.08
  4. Step 4: Simplify right side
    3,880.97x = 15,518,505.97
  5. Step 5: Solve for x
    x = 15,518,505.97/3,880.97
  6. Step 6: Final answer
    x = 3,998.62

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.