Home / 3,952.20-5,928.94-1,487.22

Finding the Fourth Proportional to 3,952.20, 5,928.94 and 1,487.22

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Solution

The fourth proportional to 3,952.20, 5,928.94 and 1,487.22 is: 2,231.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.20 : 5,928.94 = 1,487.22 : x
  2. Step 2: Convert to fraction form
    3,952.20/5,928.94 = 1,487.22/x
  3. Step 3: Cross multiply
    3,952.20x = 5,928.94 × 1,487.22
  4. Step 4: Simplify right side
    3,952.20x = 8,817,638.15
  5. Step 5: Solve for x
    x = 8,817,638.15/3,952.20
  6. Step 6: Final answer
    x = 2,231.07

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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.