Home / 3,803.36-5,705.38-1,581.72

Finding the Fourth Proportional to 3,803.36, 5,705.38 and 1,581.72

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Solution

The fourth proportional to 3,803.36, 5,705.38 and 1,581.72 is: 2,372.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.36 : 5,705.38 = 1,581.72 : x
  2. Step 2: Convert to fraction form
    3,803.36/5,705.38 = 1,581.72/x
  3. Step 3: Cross multiply
    3,803.36x = 5,705.38 × 1,581.72
  4. Step 4: Simplify right side
    3,803.36x = 9,024,313.65
  5. Step 5: Solve for x
    x = 9,024,313.65/3,803.36
  6. Step 6: Final answer
    x = 2,372.72

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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.