Home / 3,821.18-5,274.32-2,250.18

Finding the Fourth Proportional to 3,821.18, 5,274.32 and 2,250.18

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Solution

The fourth proportional to 3,821.18, 5,274.32 and 2,250.18 is: 3,105.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.18 : 5,274.32 = 2,250.18 : x
  2. Step 2: Convert to fraction form
    3,821.18/5,274.32 = 2,250.18/x
  3. Step 3: Cross multiply
    3,821.18x = 5,274.32 × 2,250.18
  4. Step 4: Simplify right side
    3,821.18x = 11,868,158.13
  5. Step 5: Solve for x
    x = 11,868,158.13/3,821.18
  6. Step 6: Final answer
    x = 3,105.89

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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.