Home / 2,451.74-3,679.16-2,221.09

Finding the Fourth Proportional to 2,451.74, 3,679.16 and 2,221.09

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Solution

The fourth proportional to 2,451.74, 3,679.16 and 2,221.09 is: 3,333.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.74 : 3,679.16 = 2,221.09 : x
  2. Step 2: Convert to fraction form
    2,451.74/3,679.16 = 2,221.09/x
  3. Step 3: Cross multiply
    2,451.74x = 3,679.16 × 2,221.09
  4. Step 4: Simplify right side
    2,451.74x = 8,171,725.18
  5. Step 5: Solve for x
    x = 8,171,725.18/2,451.74
  6. Step 6: Final answer
    x = 3,333.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.