Home / 3,722.36-5,583.66-1,872.47

Finding the Fourth Proportional to 3,722.36, 5,583.66 and 1,872.47

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Solution

The fourth proportional to 3,722.36, 5,583.66 and 1,872.47 is: 2,808.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.36 : 5,583.66 = 1,872.47 : x
  2. Step 2: Convert to fraction form
    3,722.36/5,583.66 = 1,872.47/x
  3. Step 3: Cross multiply
    3,722.36x = 5,583.66 × 1,872.47
  4. Step 4: Simplify right side
    3,722.36x = 10,455,207.92
  5. Step 5: Solve for x
    x = 10,455,207.92/3,722.36
  6. Step 6: Final answer
    x = 2,808.76

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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.