Home / 3,821.49-5,272.65-2,206.01

Finding the Fourth Proportional to 3,821.49, 5,272.65 and 2,206.01

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Solution

The fourth proportional to 3,821.49, 5,272.65 and 2,206.01 is: 3,043.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.49 : 5,272.65 = 2,206.01 : x
  2. Step 2: Convert to fraction form
    3,821.49/5,272.65 = 2,206.01/x
  3. Step 3: Cross multiply
    3,821.49x = 5,272.65 × 2,206.01
  4. Step 4: Simplify right side
    3,821.49x = 11,631,492.26
  5. Step 5: Solve for x
    x = 11,631,492.26/3,821.49
  6. Step 6: Final answer
    x = 3,043.71

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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.