Home / 2,741.08-3,779.58-2,209.72

Finding the Fourth Proportional to 2,741.08, 3,779.58 and 2,209.72

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Solution

The fourth proportional to 2,741.08, 3,779.58 and 2,209.72 is: 3,046.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.08 : 3,779.58 = 2,209.72 : x
  2. Step 2: Convert to fraction form
    2,741.08/3,779.58 = 2,209.72/x
  3. Step 3: Cross multiply
    2,741.08x = 3,779.58 × 2,209.72
  4. Step 4: Simplify right side
    2,741.08x = 8,351,813.52
  5. Step 5: Solve for x
    x = 8,351,813.52/2,741.08
  6. Step 6: Final answer
    x = 3,046.91

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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.