Home / 2,779.45-4,169.33-1,375.18

Finding the Fourth Proportional to 2,779.45, 4,169.33 and 1,375.18

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Solution

The fourth proportional to 2,779.45, 4,169.33 and 1,375.18 is: 2,062.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.45 : 4,169.33 = 1,375.18 : x
  2. Step 2: Convert to fraction form
    2,779.45/4,169.33 = 1,375.18/x
  3. Step 3: Cross multiply
    2,779.45x = 4,169.33 × 1,375.18
  4. Step 4: Simplify right side
    2,779.45x = 5,733,579.23
  5. Step 5: Solve for x
    x = 5,733,579.23/2,779.45
  6. Step 6: Final answer
    x = 2,062.85

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1.5x scale

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.