Home / 3,821.76-5,739.25-2,271.51

Finding the Fourth Proportional to 3,821.76, 5,739.25 and 2,271.51

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Solution

The fourth proportional to 3,821.76, 5,739.25 and 2,271.51 is: 3,411.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.76 : 5,739.25 = 2,271.51 : x
  2. Step 2: Convert to fraction form
    3,821.76/5,739.25 = 2,271.51/x
  3. Step 3: Cross multiply
    3,821.76x = 5,739.25 × 2,271.51
  4. Step 4: Simplify right side
    3,821.76x = 13,036,763.77
  5. Step 5: Solve for x
    x = 13,036,763.77/3,821.76
  6. Step 6: Final answer
    x = 3,411.19

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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.