Home / 3,019.75-4,165.84-2,136.04

Finding the Fourth Proportional to 3,019.75, 4,165.84 and 2,136.04

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Solution

The fourth proportional to 3,019.75, 4,165.84 and 2,136.04 is: 2,946.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.75 : 4,165.84 = 2,136.04 : x
  2. Step 2: Convert to fraction form
    3,019.75/4,165.84 = 2,136.04/x
  3. Step 3: Cross multiply
    3,019.75x = 4,165.84 × 2,136.04
  4. Step 4: Simplify right side
    3,019.75x = 8,898,400.87
  5. Step 5: Solve for x
    x = 8,898,400.87/3,019.75
  6. Step 6: Final answer
    x = 2,946.73

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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.