Home / 3,821.30-5,731.43-1,739.06

Finding the Fourth Proportional to 3,821.30, 5,731.43 and 1,739.06

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Solution

The fourth proportional to 3,821.30, 5,731.43 and 1,739.06 is: 2,608.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.30 : 5,731.43 = 1,739.06 : x
  2. Step 2: Convert to fraction form
    3,821.30/5,731.43 = 1,739.06/x
  3. Step 3: Cross multiply
    3,821.30x = 5,731.43 × 1,739.06
  4. Step 4: Simplify right side
    3,821.30x = 9,967,272.00
  5. Step 5: Solve for x
    x = 9,967,272.00/3,821.30
  6. Step 6: Final answer
    x = 2,608.35

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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.