Home / 2,651.94-3,977.91-1,827.75

Finding the Fourth Proportional to 2,651.94, 3,977.91 and 1,827.75

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Solution

The fourth proportional to 2,651.94, 3,977.91 and 1,827.75 is: 2,741.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.94 : 3,977.91 = 1,827.75 : x
  2. Step 2: Convert to fraction form
    2,651.94/3,977.91 = 1,827.75/x
  3. Step 3: Cross multiply
    2,651.94x = 3,977.91 × 1,827.75
  4. Step 4: Simplify right side
    2,651.94x = 7,270,625.00
  5. Step 5: Solve for x
    x = 7,270,625.00/2,651.94
  6. Step 6: Final answer
    x = 2,741.63

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Half scale
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Double scale
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Similar ratio
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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.