Home / 2,226.22-3,339.41-666.24

Finding the Fourth Proportional to 2,226.22, 3,339.41 and 666.24

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Solution

The fourth proportional to 2,226.22, 3,339.41 and 666.24 is: 999.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.22 : 3,339.41 = 666.24 : x
  2. Step 2: Convert to fraction form
    2,226.22/3,339.41 = 666.24/x
  3. Step 3: Cross multiply
    2,226.22x = 3,339.41 × 666.24
  4. Step 4: Simplify right side
    2,226.22x = 2,224,855.20
  5. Step 5: Solve for x
    x = 2,224,855.20/2,226.22
  6. Step 6: Final answer
    x = 999.39

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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.