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Finding the Fourth Proportional to 3,884.76, 5,827.17 and 1,111.44

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Solution

The fourth proportional to 3,884.76, 5,827.17 and 1,111.44 is: 1,667.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.76 : 5,827.17 = 1,111.44 : x
  2. Step 2: Convert to fraction form
    3,884.76/5,827.17 = 1,111.44/x
  3. Step 3: Cross multiply
    3,884.76x = 5,827.17 × 1,111.44
  4. Step 4: Simplify right side
    3,884.76x = 6,476,549.82
  5. Step 5: Solve for x
    x = 6,476,549.82/3,884.76
  6. Step 6: Final answer
    x = 1,667.17

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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.