Home / 2,751.70-4,131.60-2,136.10

Finding the Fourth Proportional to 2,751.70, 4,131.60 and 2,136.10

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Solution

The fourth proportional to 2,751.70, 4,131.60 and 2,136.10 is: 3,207.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.70 : 4,131.60 = 2,136.10 : x
  2. Step 2: Convert to fraction form
    2,751.70/4,131.60 = 2,136.10/x
  3. Step 3: Cross multiply
    2,751.70x = 4,131.60 × 2,136.10
  4. Step 4: Simplify right side
    2,751.70x = 8,825,510.76
  5. Step 5: Solve for x
    x = 8,825,510.76/2,751.70
  6. Step 6: Final answer
    x = 3,207.29

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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.