Home / 3,609.64-5,414.04-1,012.80

Finding the Fourth Proportional to 3,609.64, 5,414.04 and 1,012.80

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Solution

The fourth proportional to 3,609.64, 5,414.04 and 1,012.80 is: 1,519.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.64 : 5,414.04 = 1,012.80 : x
  2. Step 2: Convert to fraction form
    3,609.64/5,414.04 = 1,012.80/x
  3. Step 3: Cross multiply
    3,609.64x = 5,414.04 × 1,012.80
  4. Step 4: Simplify right side
    3,609.64x = 5,483,339.71
  5. Step 5: Solve for x
    x = 5,483,339.71/3,609.64
  6. Step 6: Final answer
    x = 1,519.08

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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.