Home / 3,079.96-4,617.20-1,131.70

Finding the Fourth Proportional to 3,079.96, 4,617.20 and 1,131.70

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Solution

The fourth proportional to 3,079.96, 4,617.20 and 1,131.70 is: 1,696.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.96 : 4,617.20 = 1,131.70 : x
  2. Step 2: Convert to fraction form
    3,079.96/4,617.20 = 1,131.70/x
  3. Step 3: Cross multiply
    3,079.96x = 4,617.20 × 1,131.70
  4. Step 4: Simplify right side
    3,079.96x = 5,225,285.24
  5. Step 5: Solve for x
    x = 5,225,285.24/3,079.96
  6. Step 6: Final answer
    x = 1,696.54

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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.