Home / 3,821.50-5,274.54-2,250.10

Finding the Fourth Proportional to 3,821.50, 5,274.54 and 2,250.10

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Solution

The fourth proportional to 3,821.50, 5,274.54 and 2,250.10 is: 3,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.50 : 5,274.54 = 2,250.10 : x
  2. Step 2: Convert to fraction form
    3,821.50/5,274.54 = 2,250.10/x
  3. Step 3: Cross multiply
    3,821.50x = 5,274.54 × 2,250.10
  4. Step 4: Simplify right side
    3,821.50x = 11,868,242.45
  5. Step 5: Solve for x
    x = 11,868,242.45/3,821.50
  6. Step 6: Final answer
    x = 3,105.65

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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.