Home / 3,529.80-5,296.14-1,581.64

Finding the Fourth Proportional to 3,529.80, 5,296.14 and 1,581.64

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Solution

The fourth proportional to 3,529.80, 5,296.14 and 1,581.64 is: 2,373.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.80 : 5,296.14 = 1,581.64 : x
  2. Step 2: Convert to fraction form
    3,529.80/5,296.14 = 1,581.64/x
  3. Step 3: Cross multiply
    3,529.80x = 5,296.14 × 1,581.64
  4. Step 4: Simplify right side
    3,529.80x = 8,376,586.87
  5. Step 5: Solve for x
    x = 8,376,586.87/3,529.80
  6. Step 6: Final answer
    x = 2,373.11

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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.