Home / 3,388.23-4,671.54-2,191.25

Finding the Fourth Proportional to 3,388.23, 4,671.54 and 2,191.25

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Solution

The fourth proportional to 3,388.23, 4,671.54 and 2,191.25 is: 3,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.23 : 4,671.54 = 2,191.25 : x
  2. Step 2: Convert to fraction form
    3,388.23/4,671.54 = 2,191.25/x
  3. Step 3: Cross multiply
    3,388.23x = 4,671.54 × 2,191.25
  4. Step 4: Simplify right side
    3,388.23x = 10,236,523.70
  5. Step 5: Solve for x
    x = 10,236,523.70/3,388.23
  6. Step 6: Final answer
    x = 3,021.20

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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.