Home / 3,779.08-5,657.67-3,155.78

Finding the Fourth Proportional to 3,779.08, 5,657.67 and 3,155.78

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Solution

The fourth proportional to 3,779.08, 5,657.67 and 3,155.78 is: 4,724.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.08 : 5,657.67 = 3,155.78 : x
  2. Step 2: Convert to fraction form
    3,779.08/5,657.67 = 3,155.78/x
  3. Step 3: Cross multiply
    3,779.08x = 5,657.67 × 3,155.78
  4. Step 4: Simplify right side
    3,779.08x = 17,854,375.98
  5. Step 5: Solve for x
    x = 17,854,375.98/3,779.08
  6. Step 6: Final answer
    x = 4,724.53

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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.