Home / 3,669.68-5,057.16-2,619.92

Finding the Fourth Proportional to 3,669.68, 5,057.16 and 2,619.92

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Solution

The fourth proportional to 3,669.68, 5,057.16 and 2,619.92 is: 3,610.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.68 : 5,057.16 = 2,619.92 : x
  2. Step 2: Convert to fraction form
    3,669.68/5,057.16 = 2,619.92/x
  3. Step 3: Cross multiply
    3,669.68x = 5,057.16 × 2,619.92
  4. Step 4: Simplify right side
    3,669.68x = 13,249,354.63
  5. Step 5: Solve for x
    x = 13,249,354.63/3,669.68
  6. Step 6: Final answer
    x = 3,610.49

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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.