Home / 2,513.64-3,771.07-1,127.94

Finding the Fourth Proportional to 2,513.64, 3,771.07 and 1,127.94

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Solution

The fourth proportional to 2,513.64, 3,771.07 and 1,127.94 is: 1,692.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,513.64 : 3,771.07 = 1,127.94 : x
  2. Step 2: Convert to fraction form
    2,513.64/3,771.07 = 1,127.94/x
  3. Step 3: Cross multiply
    2,513.64x = 3,771.07 × 1,127.94
  4. Step 4: Simplify right side
    2,513.64x = 4,253,540.70
  5. Step 5: Solve for x
    x = 4,253,540.70/2,513.64
  6. Step 6: Final answer
    x = 1,692.18

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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.