Home / 2,779.26-3,836.97-2,217.93

Finding the Fourth Proportional to 2,779.26, 3,836.97 and 2,217.93

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Solution

The fourth proportional to 2,779.26, 3,836.97 and 2,217.93 is: 3,062.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.26 : 3,836.97 = 2,217.93 : x
  2. Step 2: Convert to fraction form
    2,779.26/3,836.97 = 2,217.93/x
  3. Step 3: Cross multiply
    2,779.26x = 3,836.97 × 2,217.93
  4. Step 4: Simplify right side
    2,779.26x = 8,510,130.87
  5. Step 5: Solve for x
    x = 8,510,130.87/2,779.26
  6. Step 6: Final answer
    x = 3,062.01

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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.