Home / 2,184.92-3,269.16-1,211.72

Finding the Fourth Proportional to 2,184.92, 3,269.16 and 1,211.72

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Solution

The fourth proportional to 2,184.92, 3,269.16 and 1,211.72 is: 1,813.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.92 : 3,269.16 = 1,211.72 : x
  2. Step 2: Convert to fraction form
    2,184.92/3,269.16 = 1,211.72/x
  3. Step 3: Cross multiply
    2,184.92x = 3,269.16 × 1,211.72
  4. Step 4: Simplify right side
    2,184.92x = 3,961,306.56
  5. Step 5: Solve for x
    x = 3,961,306.56/2,184.92
  6. Step 6: Final answer
    x = 1,813.02

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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.