Home / 3,315.06-4,973.97-1,122.60

Finding the Fourth Proportional to 3,315.06, 4,973.97 and 1,122.60

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Solution

The fourth proportional to 3,315.06, 4,973.97 and 1,122.60 is: 1,684.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.06 : 4,973.97 = 1,122.60 : x
  2. Step 2: Convert to fraction form
    3,315.06/4,973.97 = 1,122.60/x
  3. Step 3: Cross multiply
    3,315.06x = 4,973.97 × 1,122.60
  4. Step 4: Simplify right side
    3,315.06x = 5,583,778.72
  5. Step 5: Solve for x
    x = 5,583,778.72/3,315.06
  6. Step 6: Final answer
    x = 1,684.37

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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.