Home / 3,821.16-5,729.98-1,511.08

Finding the Fourth Proportional to 3,821.16, 5,729.98 and 1,511.08

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Solution

The fourth proportional to 3,821.16, 5,729.98 and 1,511.08 is: 2,265.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.16 : 5,729.98 = 1,511.08 : x
  2. Step 2: Convert to fraction form
    3,821.16/5,729.98 = 1,511.08/x
  3. Step 3: Cross multiply
    3,821.16x = 5,729.98 × 1,511.08
  4. Step 4: Simplify right side
    3,821.16x = 8,658,458.18
  5. Step 5: Solve for x
    x = 8,658,458.18/3,821.16
  6. Step 6: Final answer
    x = 2,265.92

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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.