Home / 3,959.79-5,464.33-2,167.24

Finding the Fourth Proportional to 3,959.79, 5,464.33 and 2,167.24

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Solution

The fourth proportional to 3,959.79, 5,464.33 and 2,167.24 is: 2,990.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.79 : 5,464.33 = 2,167.24 : x
  2. Step 2: Convert to fraction form
    3,959.79/5,464.33 = 2,167.24/x
  3. Step 3: Cross multiply
    3,959.79x = 5,464.33 × 2,167.24
  4. Step 4: Simplify right side
    3,959.79x = 11,842,476.39
  5. Step 5: Solve for x
    x = 11,842,476.39/3,959.79
  6. Step 6: Final answer
    x = 2,990.68

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1.5x scale

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.