Home / 2,918.81-4,377.98-1,163.75

Finding the Fourth Proportional to 2,918.81, 4,377.98 and 1,163.75

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Solution

The fourth proportional to 2,918.81, 4,377.98 and 1,163.75 is: 1,745.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.81 : 4,377.98 = 1,163.75 : x
  2. Step 2: Convert to fraction form
    2,918.81/4,377.98 = 1,163.75/x
  3. Step 3: Cross multiply
    2,918.81x = 4,377.98 × 1,163.75
  4. Step 4: Simplify right side
    2,918.81x = 5,094,855.24
  5. Step 5: Solve for x
    x = 5,094,855.24/2,918.81
  6. Step 6: Final answer
    x = 1,745.52

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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.