Home / 3,852.21-5,779.25-1,511.61

Finding the Fourth Proportional to 3,852.21, 5,779.25 and 1,511.61

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Solution

The fourth proportional to 3,852.21, 5,779.25 and 1,511.61 is: 2,267.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.21 : 5,779.25 = 1,511.61 : x
  2. Step 2: Convert to fraction form
    3,852.21/5,779.25 = 1,511.61/x
  3. Step 3: Cross multiply
    3,852.21x = 5,779.25 × 1,511.61
  4. Step 4: Simplify right side
    3,852.21x = 8,735,981.04
  5. Step 5: Solve for x
    x = 8,735,981.04/3,852.21
  6. Step 6: Final answer
    x = 2,267.79

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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.