Home / 2,226.72-3,338.26-929.16

Finding the Fourth Proportional to 2,226.72, 3,338.26 and 929.16

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Solution

The fourth proportional to 2,226.72, 3,338.26 and 929.16 is: 1,392.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.72 : 3,338.26 = 929.16 : x
  2. Step 2: Convert to fraction form
    2,226.72/3,338.26 = 929.16/x
  3. Step 3: Cross multiply
    2,226.72x = 3,338.26 × 929.16
  4. Step 4: Simplify right side
    2,226.72x = 3,101,777.66
  5. Step 5: Solve for x
    x = 3,101,777.66/2,226.72
  6. Step 6: Final answer
    x = 1,392.98

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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.