Home / 2,338.14-3,226.68-1,290.24

Finding the Fourth Proportional to 2,338.14, 3,226.68 and 1,290.24

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Solution

The fourth proportional to 2,338.14, 3,226.68 and 1,290.24 is: 1,780.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,338.14 : 3,226.68 = 1,290.24 : x
  2. Step 2: Convert to fraction form
    2,338.14/3,226.68 = 1,290.24/x
  3. Step 3: Cross multiply
    2,338.14x = 3,226.68 × 1,290.24
  4. Step 4: Simplify right side
    2,338.14x = 4,163,191.60
  5. Step 5: Solve for x
    x = 4,163,191.60/2,338.14
  6. Step 6: Final answer
    x = 1,780.56

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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.