Home / 2,226.56-3,339.86-2,158.89

Finding the Fourth Proportional to 2,226.56, 3,339.86 and 2,158.89

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Solution

The fourth proportional to 2,226.56, 3,339.86 and 2,158.89 is: 3,238.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.56 : 3,339.86 = 2,158.89 : x
  2. Step 2: Convert to fraction form
    2,226.56/3,339.86 = 2,158.89/x
  3. Step 3: Cross multiply
    2,226.56x = 3,339.86 × 2,158.89
  4. Step 4: Simplify right side
    2,226.56x = 7,210,379.56
  5. Step 5: Solve for x
    x = 7,210,379.56/2,226.56
  6. Step 6: Final answer
    x = 3,238.36

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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.