Home / 3,403.42-5,105.46-1,323.59

Finding the Fourth Proportional to 3,403.42, 5,105.46 and 1,323.59

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Solution

The fourth proportional to 3,403.42, 5,105.46 and 1,323.59 is: 1,985.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.42 : 5,105.46 = 1,323.59 : x
  2. Step 2: Convert to fraction form
    3,403.42/5,105.46 = 1,323.59/x
  3. Step 3: Cross multiply
    3,403.42x = 5,105.46 × 1,323.59
  4. Step 4: Simplify right side
    3,403.42x = 6,757,535.80
  5. Step 5: Solve for x
    x = 6,757,535.80/3,403.42
  6. Step 6: Final answer
    x = 1,985.51

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Double scale
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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.