Home / 2,522.60-3,479.14-2,171.88

Finding the Fourth Proportional to 2,522.60, 3,479.14 and 2,171.88

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Solution

The fourth proportional to 2,522.60, 3,479.14 and 2,171.88 is: 2,995.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,522.60 : 3,479.14 = 2,171.88 : x
  2. Step 2: Convert to fraction form
    2,522.60/3,479.14 = 2,171.88/x
  3. Step 3: Cross multiply
    2,522.60x = 3,479.14 × 2,171.88
  4. Step 4: Simplify right side
    2,522.60x = 7,556,274.58
  5. Step 5: Solve for x
    x = 7,556,274.58/2,522.60
  6. Step 6: Final answer
    x = 2,995.43

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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.