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Finding the Fourth Proportional to 3,968.68, 5,952.42 and 2,503.36

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Solution

The fourth proportional to 3,968.68, 5,952.42 and 2,503.36 is: 3,754.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.68 : 5,952.42 = 2,503.36 : x
  2. Step 2: Convert to fraction form
    3,968.68/5,952.42 = 2,503.36/x
  3. Step 3: Cross multiply
    3,968.68x = 5,952.42 × 2,503.36
  4. Step 4: Simplify right side
    3,968.68x = 14,901,050.13
  5. Step 5: Solve for x
    x = 14,901,050.13/3,968.68
  6. Step 6: Final answer
    x = 3,754.66

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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.