Home / 2,226.16-3,073.50-1,429.80

Finding the Fourth Proportional to 2,226.16, 3,073.50 and 1,429.80

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Solution

The fourth proportional to 2,226.16, 3,073.50 and 1,429.80 is: 1,974.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.16 : 3,073.50 = 1,429.80 : x
  2. Step 2: Convert to fraction form
    2,226.16/3,073.50 = 1,429.80/x
  3. Step 3: Cross multiply
    2,226.16x = 3,073.50 × 1,429.80
  4. Step 4: Simplify right side
    2,226.16x = 4,394,492.62
  5. Step 5: Solve for x
    x = 4,394,492.62/2,226.16
  6. Step 6: Final answer
    x = 1,974.03

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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.