Home / 2,436.38-3,654.57-1,919.14

Finding the Fourth Proportional to 2,436.38, 3,654.57 and 1,919.14

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Solution

The fourth proportional to 2,436.38, 3,654.57 and 1,919.14 is: 2,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436.38 : 3,654.57 = 1,919.14 : x
  2. Step 2: Convert to fraction form
    2,436.38/3,654.57 = 1,919.14/x
  3. Step 3: Cross multiply
    2,436.38x = 3,654.57 × 1,919.14
  4. Step 4: Simplify right side
    2,436.38x = 7,013,639.29
  5. Step 5: Solve for x
    x = 7,013,639.29/2,436.38
  6. Step 6: Final answer
    x = 2,878.71

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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.