Home / 3,079.80-4,616.96-1,131.53

Finding the Fourth Proportional to 3,079.80, 4,616.96 and 1,131.53

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Solution

The fourth proportional to 3,079.80, 4,616.96 and 1,131.53 is: 1,696.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.80 : 4,616.96 = 1,131.53 : x
  2. Step 2: Convert to fraction form
    3,079.80/4,616.96 = 1,131.53/x
  3. Step 3: Cross multiply
    3,079.80x = 4,616.96 × 1,131.53
  4. Step 4: Simplify right side
    3,079.80x = 5,224,200.01
  5. Step 5: Solve for x
    x = 5,224,200.01/3,079.80
  6. Step 6: Final answer
    x = 1,696.28

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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.