Home / 2,226.15-3,339.19-666.16

Finding the Fourth Proportional to 2,226.15, 3,339.19 and 666.16

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Solution

The fourth proportional to 2,226.15, 3,339.19 and 666.16 is: 999.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.15 : 3,339.19 = 666.16 : x
  2. Step 2: Convert to fraction form
    2,226.15/3,339.19 = 666.16/x
  3. Step 3: Cross multiply
    2,226.15x = 3,339.19 × 666.16
  4. Step 4: Simplify right side
    2,226.15x = 2,224,414.78
  5. Step 5: Solve for x
    x = 2,224,414.78/2,226.15
  6. Step 6: Final answer
    x = 999.22

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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.