Home / 2,254.10-3,382.23-938.84

Finding the Fourth Proportional to 2,254.10, 3,382.23 and 938.84

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Solution

The fourth proportional to 2,254.10, 3,382.23 and 938.84 is: 1,408.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.10 : 3,382.23 = 938.84 : x
  2. Step 2: Convert to fraction form
    2,254.10/3,382.23 = 938.84/x
  3. Step 3: Cross multiply
    2,254.10x = 3,382.23 × 938.84
  4. Step 4: Simplify right side
    2,254.10x = 3,175,372.81
  5. Step 5: Solve for x
    x = 3,175,372.81/2,254.10
  6. Step 6: Final answer
    x = 1,408.71

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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.