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Finding the Fourth Proportional to 3,969.48, 5,952.90 and 1,503.72

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Solution

The fourth proportional to 3,969.48, 5,952.90 and 1,503.72 is: 2,255.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.48 : 5,952.90 = 1,503.72 : x
  2. Step 2: Convert to fraction form
    3,969.48/5,952.90 = 1,503.72/x
  3. Step 3: Cross multiply
    3,969.48x = 5,952.90 × 1,503.72
  4. Step 4: Simplify right side
    3,969.48x = 8,951,494.79
  5. Step 5: Solve for x
    x = 8,951,494.79/3,969.48
  6. Step 6: Final answer
    x = 2,255.08

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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.