Home / 3,509.20-5,257.08-1,965.52

Finding the Fourth Proportional to 3,509.20, 5,257.08 and 1,965.52

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Solution

The fourth proportional to 3,509.20, 5,257.08 and 1,965.52 is: 2,944.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.20 : 5,257.08 = 1,965.52 : x
  2. Step 2: Convert to fraction form
    3,509.20/5,257.08 = 1,965.52/x
  3. Step 3: Cross multiply
    3,509.20x = 5,257.08 × 1,965.52
  4. Step 4: Simplify right side
    3,509.20x = 10,332,895.88
  5. Step 5: Solve for x
    x = 10,332,895.88/3,509.20
  6. Step 6: Final answer
    x = 2,944.52

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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.