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Finding the Fourth Proportional to 3,968.50, 5,952.89 and 1,503.50

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Solution

The fourth proportional to 3,968.50, 5,952.89 and 1,503.50 is: 2,255.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.50 : 5,952.89 = 1,503.50 : x
  2. Step 2: Convert to fraction form
    3,968.50/5,952.89 = 1,503.50/x
  3. Step 3: Cross multiply
    3,968.50x = 5,952.89 × 1,503.50
  4. Step 4: Simplify right side
    3,968.50x = 8,950,177.59
  5. Step 5: Solve for x
    x = 8,950,177.59/3,968.50
  6. Step 6: Final answer
    x = 2,255.31

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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.