Home / 3,821.09-5,731.16-1,048.01

Finding the Fourth Proportional to 3,821.09, 5,731.16 and 1,048.01

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Solution

The fourth proportional to 3,821.09, 5,731.16 and 1,048.01 is: 1,571.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.09 : 5,731.16 = 1,048.01 : x
  2. Step 2: Convert to fraction form
    3,821.09/5,731.16 = 1,048.01/x
  3. Step 3: Cross multiply
    3,821.09x = 5,731.16 × 1,048.01
  4. Step 4: Simplify right side
    3,821.09x = 6,006,279.10
  5. Step 5: Solve for x
    x = 6,006,279.10/3,821.09
  6. Step 6: Final answer
    x = 1,571.88

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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.