Home / 1,375.08-2,072.06-1,136.94

Finding the Fourth Proportional to 1,375.08, 2,072.06 and 1,136.94

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Solution

The fourth proportional to 1,375.08, 2,072.06 and 1,136.94 is: 1,713.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375.08 : 2,072.06 = 1,136.94 : x
  2. Step 2: Convert to fraction form
    1,375.08/2,072.06 = 1,136.94/x
  3. Step 3: Cross multiply
    1,375.08x = 2,072.06 × 1,136.94
  4. Step 4: Simplify right side
    1,375.08x = 2,355,802.21
  5. Step 5: Solve for x
    x = 2,355,802.21/1,375.08
  6. Step 6: Final answer
    x = 1,713.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.