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Finding the Fourth Proportional to 3,913.44, 5,871.48 and 2,450.88

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Solution

The fourth proportional to 3,913.44, 5,871.48 and 2,450.88 is: 3,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.44 : 5,871.48 = 2,450.88 : x
  2. Step 2: Convert to fraction form
    3,913.44/5,871.48 = 2,450.88/x
  3. Step 3: Cross multiply
    3,913.44x = 5,871.48 × 2,450.88
  4. Step 4: Simplify right side
    3,913.44x = 14,390,292.90
  5. Step 5: Solve for x
    x = 14,390,292.90/3,913.44
  6. Step 6: Final answer
    x = 3,677.15

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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.