Home / 3,529.92-5,291.60-1,581.04

Finding the Fourth Proportional to 3,529.92, 5,291.60 and 1,581.04

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Solution

The fourth proportional to 3,529.92, 5,291.60 and 1,581.04 is: 2,370.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.92 : 5,291.60 = 1,581.04 : x
  2. Step 2: Convert to fraction form
    3,529.92/5,291.60 = 1,581.04/x
  3. Step 3: Cross multiply
    3,529.92x = 5,291.60 × 1,581.04
  4. Step 4: Simplify right side
    3,529.92x = 8,366,231.26
  5. Step 5: Solve for x
    x = 8,366,231.26/3,529.92
  6. Step 6: Final answer
    x = 2,370.09

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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.