Home / 3,619.29-5,429.97-1,154.30

Finding the Fourth Proportional to 3,619.29, 5,429.97 and 1,154.30

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Solution

The fourth proportional to 3,619.29, 5,429.97 and 1,154.30 is: 1,731.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.29 : 5,429.97 = 1,154.30 : x
  2. Step 2: Convert to fraction form
    3,619.29/5,429.97 = 1,154.30/x
  3. Step 3: Cross multiply
    3,619.29x = 5,429.97 × 1,154.30
  4. Step 4: Simplify right side
    3,619.29x = 6,267,808.60
  5. Step 5: Solve for x
    x = 6,267,808.60/3,619.29
  6. Step 6: Final answer
    x = 1,731.78

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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.