Home / 3,529.91-5,295.20-1,338.05

Finding the Fourth Proportional to 3,529.91, 5,295.20 and 1,338.05

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Solution

The fourth proportional to 3,529.91, 5,295.20 and 1,338.05 is: 2,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.91 : 5,295.20 = 1,338.05 : x
  2. Step 2: Convert to fraction form
    3,529.91/5,295.20 = 1,338.05/x
  3. Step 3: Cross multiply
    3,529.91x = 5,295.20 × 1,338.05
  4. Step 4: Simplify right side
    3,529.91x = 7,085,209.19
  5. Step 5: Solve for x
    x = 7,085,209.19/3,529.91
  6. Step 6: Final answer
    x = 2,007.20

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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.