Home / 2,226.18-3,073.12-1,330.24

Finding the Fourth Proportional to 2,226.18, 3,073.12 and 1,330.24

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Solution

The fourth proportional to 2,226.18, 3,073.12 and 1,330.24 is: 1,836.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.18 : 3,073.12 = 1,330.24 : x
  2. Step 2: Convert to fraction form
    2,226.18/3,073.12 = 1,330.24/x
  3. Step 3: Cross multiply
    2,226.18x = 3,073.12 × 1,330.24
  4. Step 4: Simplify right side
    2,226.18x = 4,087,972.81
  5. Step 5: Solve for x
    x = 4,087,972.81/2,226.18
  6. Step 6: Final answer
    x = 1,836.32

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.