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Finding the Fourth Proportional to 3,884.98, 5,827.92 and 1,252.30

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Solution

The fourth proportional to 3,884.98, 5,827.92 and 1,252.30 is: 1,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.98 : 5,827.92 = 1,252.30 : x
  2. Step 2: Convert to fraction form
    3,884.98/5,827.92 = 1,252.30/x
  3. Step 3: Cross multiply
    3,884.98x = 5,827.92 × 1,252.30
  4. Step 4: Simplify right side
    3,884.98x = 7,298,304.22
  5. Step 5: Solve for x
    x = 7,298,304.22/3,884.98
  6. Step 6: Final answer
    x = 1,878.60

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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.