Home / 2,136.15-3,204.23-2,107.35

Finding the Fourth Proportional to 2,136.15, 3,204.23 and 2,107.35

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Solution

The fourth proportional to 2,136.15, 3,204.23 and 2,107.35 is: 3,161.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.15 : 3,204.23 = 2,107.35 : x
  2. Step 2: Convert to fraction form
    2,136.15/3,204.23 = 2,107.35/x
  3. Step 3: Cross multiply
    2,136.15x = 3,204.23 × 2,107.35
  4. Step 4: Simplify right side
    2,136.15x = 6,752,423.55
  5. Step 5: Solve for x
    x = 6,752,423.55/2,136.15
  6. Step 6: Final answer
    x = 3,161.03

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1.5x scale

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.