Home / 4,039.44-5,575.80-2,779.44

Finding the Fourth Proportional to 4,039.44, 5,575.80 and 2,779.44

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Solution

The fourth proportional to 4,039.44, 5,575.80 and 2,779.44 is: 3,836.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.44 : 5,575.80 = 2,779.44 : x
  2. Step 2: Convert to fraction form
    4,039.44/5,575.80 = 2,779.44/x
  3. Step 3: Cross multiply
    4,039.44x = 5,575.80 × 2,779.44
  4. Step 4: Simplify right side
    4,039.44x = 15,497,601.55
  5. Step 5: Solve for x
    x = 15,497,601.55/4,039.44
  6. Step 6: Final answer
    x = 3,836.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.