Home / 3,821.16-5,731.74-1,047.85

Finding the Fourth Proportional to 3,821.16, 5,731.74 and 1,047.85

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Solution

The fourth proportional to 3,821.16, 5,731.74 and 1,047.85 is: 1,571.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.16 : 5,731.74 = 1,047.85 : x
  2. Step 2: Convert to fraction form
    3,821.16/5,731.74 = 1,047.85/x
  3. Step 3: Cross multiply
    3,821.16x = 5,731.74 × 1,047.85
  4. Step 4: Simplify right side
    3,821.16x = 6,005,994.54
  5. Step 5: Solve for x
    x = 6,005,994.54/3,821.16
  6. Step 6: Final answer
    x = 1,571.77

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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.