Home / 2,233.92-3,082.08-1,394.40

Finding the Fourth Proportional to 2,233.92, 3,082.08 and 1,394.40

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Solution

The fourth proportional to 2,233.92, 3,082.08 and 1,394.40 is: 1,923.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,233.92 : 3,082.08 = 1,394.40 : x
  2. Step 2: Convert to fraction form
    2,233.92/3,082.08 = 1,394.40/x
  3. Step 3: Cross multiply
    2,233.92x = 3,082.08 × 1,394.40
  4. Step 4: Simplify right side
    2,233.92x = 4,297,652.35
  5. Step 5: Solve for x
    x = 4,297,652.35/2,233.92
  6. Step 6: Final answer
    x = 1,923.82

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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.