Home / 3,529.92-5,286.72-2,070.24

Finding the Fourth Proportional to 3,529.92, 5,286.72 and 2,070.24

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Solution

The fourth proportional to 3,529.92, 5,286.72 and 2,070.24 is: 3,100.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.92 : 5,286.72 = 2,070.24 : x
  2. Step 2: Convert to fraction form
    3,529.92/5,286.72 = 2,070.24/x
  3. Step 3: Cross multiply
    3,529.92x = 5,286.72 × 2,070.24
  4. Step 4: Simplify right side
    3,529.92x = 10,944,779.21
  5. Step 5: Solve for x
    x = 10,944,779.21/3,529.92
  6. Step 6: Final answer
    x = 3,100.57

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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.