Home / 3,971.68-5,957.27-1,631.08

Finding the Fourth Proportional to 3,971.68, 5,957.27 and 1,631.08

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Solution

The fourth proportional to 3,971.68, 5,957.27 and 1,631.08 is: 2,446.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.68 : 5,957.27 = 1,631.08 : x
  2. Step 2: Convert to fraction form
    3,971.68/5,957.27 = 1,631.08/x
  3. Step 3: Cross multiply
    3,971.68x = 5,957.27 × 1,631.08
  4. Step 4: Simplify right side
    3,971.68x = 9,716,775.80
  5. Step 5: Solve for x
    x = 9,716,775.80/3,971.68
  6. Step 6: Final answer
    x = 2,446.52

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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.