Home / 2,224.12-3,335.87-664.36

Finding the Fourth Proportional to 2,224.12, 3,335.87 and 664.36

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Solution

The fourth proportional to 2,224.12, 3,335.87 and 664.36 is: 996.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.12 : 3,335.87 = 664.36 : x
  2. Step 2: Convert to fraction form
    2,224.12/3,335.87 = 664.36/x
  3. Step 3: Cross multiply
    2,224.12x = 3,335.87 × 664.36
  4. Step 4: Simplify right side
    2,224.12x = 2,216,218.59
  5. Step 5: Solve for x
    x = 2,216,218.59/2,224.12
  6. Step 6: Final answer
    x = 996.45

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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.