Home / 2,675-4,013.30-1,136.12

Finding the Fourth Proportional to 2,675, 4,013.30 and 1,136.12

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Solution

The fourth proportional to 2,675, 4,013.30 and 1,136.12 is: 1,704.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675 : 4,013.30 = 1,136.12 : x
  2. Step 2: Convert to fraction form
    2,675/4,013.30 = 1,136.12/x
  3. Step 3: Cross multiply
    2,675x = 4,013.30 × 1,136.12
  4. Step 4: Simplify right side
    2,675x = 4,559,590.40
  5. Step 5: Solve for x
    x = 4,559,590.40/2,675
  6. Step 6: Final answer
    x = 1,704.52

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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.