Home / 2,136.93-2,949.16-1,297.85

Finding the Fourth Proportional to 2,136.93, 2,949.16 and 1,297.85

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Solution

The fourth proportional to 2,136.93, 2,949.16 and 1,297.85 is: 1,791.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.93 : 2,949.16 = 1,297.85 : x
  2. Step 2: Convert to fraction form
    2,136.93/2,949.16 = 1,297.85/x
  3. Step 3: Cross multiply
    2,136.93x = 2,949.16 × 1,297.85
  4. Step 4: Simplify right side
    2,136.93x = 3,827,560.04
  5. Step 5: Solve for x
    x = 3,827,560.04/2,136.93
  6. Step 6: Final answer
    x = 1,791.15

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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.