Home / 3,664.68-5,057.24-1,986.08

Finding the Fourth Proportional to 3,664.68, 5,057.24 and 1,986.08

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Solution

The fourth proportional to 3,664.68, 5,057.24 and 1,986.08 is: 2,740.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.68 : 5,057.24 = 1,986.08 : x
  2. Step 2: Convert to fraction form
    3,664.68/5,057.24 = 1,986.08/x
  3. Step 3: Cross multiply
    3,664.68x = 5,057.24 × 1,986.08
  4. Step 4: Simplify right side
    3,664.68x = 10,044,057.93
  5. Step 5: Solve for x
    x = 10,044,057.93/3,664.68
  6. Step 6: Final answer
    x = 2,740.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.