Home / 3,136.20-4,324.42-2,000.36

Finding the Fourth Proportional to 3,136.20, 4,324.42 and 2,000.36

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Solution

The fourth proportional to 3,136.20, 4,324.42 and 2,000.36 is: 2,758.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.20 : 4,324.42 = 2,000.36 : x
  2. Step 2: Convert to fraction form
    3,136.20/4,324.42 = 2,000.36/x
  3. Step 3: Cross multiply
    3,136.20x = 4,324.42 × 2,000.36
  4. Step 4: Simplify right side
    3,136.20x = 8,650,396.79
  5. Step 5: Solve for x
    x = 8,650,396.79/3,136.20
  6. Step 6: Final answer
    x = 2,758.24

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1.5x scale

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.