Home / 3,350.80-5,023.32-1,960.72

Finding the Fourth Proportional to 3,350.80, 5,023.32 and 1,960.72

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Solution

The fourth proportional to 3,350.80, 5,023.32 and 1,960.72 is: 2,939.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,350.80 : 5,023.32 = 1,960.72 : x
  2. Step 2: Convert to fraction form
    3,350.80/5,023.32 = 1,960.72/x
  3. Step 3: Cross multiply
    3,350.80x = 5,023.32 × 1,960.72
  4. Step 4: Simplify right side
    3,350.80x = 9,849,323.99
  5. Step 5: Solve for x
    x = 9,849,323.99/3,350.80
  6. Step 6: Final answer
    x = 2,939.39

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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.