Home / 1,163.07-1,745.84-1,136.97

Finding the Fourth Proportional to 1,163.07, 1,745.84 and 1,136.97

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Solution

The fourth proportional to 1,163.07, 1,745.84 and 1,136.97 is: 1,706.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163.07 : 1,745.84 = 1,136.97 : x
  2. Step 2: Convert to fraction form
    1,163.07/1,745.84 = 1,136.97/x
  3. Step 3: Cross multiply
    1,163.07x = 1,745.84 × 1,136.97
  4. Step 4: Simplify right side
    1,163.07x = 1,984,962.02
  5. Step 5: Solve for x
    x = 1,984,962.02/1,163.07
  6. Step 6: Final answer
    x = 1,706.66

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1.5x scale

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.