Home / 3,582.60-5,380.30-2,609.80

Finding the Fourth Proportional to 3,582.60, 5,380.30 and 2,609.80

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Solution

The fourth proportional to 3,582.60, 5,380.30 and 2,609.80 is: 3,919.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.60 : 5,380.30 = 2,609.80 : x
  2. Step 2: Convert to fraction form
    3,582.60/5,380.30 = 2,609.80/x
  3. Step 3: Cross multiply
    3,582.60x = 5,380.30 × 2,609.80
  4. Step 4: Simplify right side
    3,582.60x = 14,041,506.94
  5. Step 5: Solve for x
    x = 14,041,506.94/3,582.60
  6. Step 6: Final answer
    x = 3,919.36

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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.