Home / 2,136.30-3,202.25-1,356.87

Finding the Fourth Proportional to 2,136.30, 3,202.25 and 1,356.87

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Solution

The fourth proportional to 2,136.30, 3,202.25 and 1,356.87 is: 2,033.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.30 : 3,202.25 = 1,356.87 : x
  2. Step 2: Convert to fraction form
    2,136.30/3,202.25 = 1,356.87/x
  3. Step 3: Cross multiply
    2,136.30x = 3,202.25 × 1,356.87
  4. Step 4: Simplify right side
    2,136.30x = 4,345,036.96
  5. Step 5: Solve for x
    x = 4,345,036.96/2,136.30
  6. Step 6: Final answer
    x = 2,033.91

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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.