Home / 3,722.63-5,579.17-1,641.29

Finding the Fourth Proportional to 3,722.63, 5,579.17 and 1,641.29

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Solution

The fourth proportional to 3,722.63, 5,579.17 and 1,641.29 is: 2,459.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.63 : 5,579.17 = 1,641.29 : x
  2. Step 2: Convert to fraction form
    3,722.63/5,579.17 = 1,641.29/x
  3. Step 3: Cross multiply
    3,722.63x = 5,579.17 × 1,641.29
  4. Step 4: Simplify right side
    3,722.63x = 9,157,035.93
  5. Step 5: Solve for x
    x = 9,157,035.93/3,722.63
  6. Step 6: Final answer
    x = 2,459.83

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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.