Home / 3,821.89-5,733.41-1,356.13

Finding the Fourth Proportional to 3,821.89, 5,733.41 and 1,356.13

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Solution

The fourth proportional to 3,821.89, 5,733.41 and 1,356.13 is: 2,034.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.89 : 5,733.41 = 1,356.13 : x
  2. Step 2: Convert to fraction form
    3,821.89/5,733.41 = 1,356.13/x
  3. Step 3: Cross multiply
    3,821.89x = 5,733.41 × 1,356.13
  4. Step 4: Simplify right side
    3,821.89x = 7,775,249.30
  5. Step 5: Solve for x
    x = 7,775,249.30/3,821.89
  6. Step 6: Final answer
    x = 2,034.40

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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.