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Finding the Fourth Proportional to 2,183.13, 3,274.74 and 883.71

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Solution

The fourth proportional to 2,183.13, 3,274.74 and 883.71 is: 1,325.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.13 : 3,274.74 = 883.71 : x
  2. Step 2: Convert to fraction form
    2,183.13/3,274.74 = 883.71/x
  3. Step 3: Cross multiply
    2,183.13x = 3,274.74 × 883.71
  4. Step 4: Simplify right side
    2,183.13x = 2,893,920.49
  5. Step 5: Solve for x
    x = 2,893,920.49/2,183.13
  6. Step 6: Final answer
    x = 1,325.58

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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.