Home / 2,741.09-4,120.74-2,538.18

Finding the Fourth Proportional to 2,741.09, 4,120.74 and 2,538.18

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Solution

The fourth proportional to 2,741.09, 4,120.74 and 2,538.18 is: 3,815.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.09 : 4,120.74 = 2,538.18 : x
  2. Step 2: Convert to fraction form
    2,741.09/4,120.74 = 2,538.18/x
  3. Step 3: Cross multiply
    2,741.09x = 4,120.74 × 2,538.18
  4. Step 4: Simplify right side
    2,741.09x = 10,459,179.85
  5. Step 5: Solve for x
    x = 10,459,179.85/2,741.09
  6. Step 6: Final answer
    x = 3,815.71

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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.