Home / 3,803.20-5,705.36-1,723.92

Finding the Fourth Proportional to 3,803.20, 5,705.36 and 1,723.92

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Solution

The fourth proportional to 3,803.20, 5,705.36 and 1,723.92 is: 2,586.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.20 : 5,705.36 = 1,723.92 : x
  2. Step 2: Convert to fraction form
    3,803.20/5,705.36 = 1,723.92/x
  3. Step 3: Cross multiply
    3,803.20x = 5,705.36 × 1,723.92
  4. Step 4: Simplify right side
    3,803.20x = 9,835,584.21
  5. Step 5: Solve for x
    x = 9,835,584.21/3,803.20
  6. Step 6: Final answer
    x = 2,586.13

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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.