Home / 3,723.84-5,581.68-1,776.48

Finding the Fourth Proportional to 3,723.84, 5,581.68 and 1,776.48

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Solution

The fourth proportional to 3,723.84, 5,581.68 and 1,776.48 is: 2,662.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.84 : 5,581.68 = 1,776.48 : x
  2. Step 2: Convert to fraction form
    3,723.84/5,581.68 = 1,776.48/x
  3. Step 3: Cross multiply
    3,723.84x = 5,581.68 × 1,776.48
  4. Step 4: Simplify right side
    3,723.84x = 9,915,742.89
  5. Step 5: Solve for x
    x = 9,915,742.89/3,723.84
  6. Step 6: Final answer
    x = 2,662.77

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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.