Home / 3,403.08-5,105.22-1,759.18

Finding the Fourth Proportional to 3,403.08, 5,105.22 and 1,759.18

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Solution

The fourth proportional to 3,403.08, 5,105.22 and 1,759.18 is: 2,639.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.08 : 5,105.22 = 1,759.18 : x
  2. Step 2: Convert to fraction form
    3,403.08/5,105.22 = 1,759.18/x
  3. Step 3: Cross multiply
    3,403.08x = 5,105.22 × 1,759.18
  4. Step 4: Simplify right side
    3,403.08x = 8,981,000.92
  5. Step 5: Solve for x
    x = 8,981,000.92/3,403.08
  6. Step 6: Final answer
    x = 2,639.08

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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.