Home / 3,180.13-4,768.34-1,099.24

Finding the Fourth Proportional to 3,180.13, 4,768.34 and 1,099.24

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Solution

The fourth proportional to 3,180.13, 4,768.34 and 1,099.24 is: 1,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.13 : 4,768.34 = 1,099.24 : x
  2. Step 2: Convert to fraction form
    3,180.13/4,768.34 = 1,099.24/x
  3. Step 3: Cross multiply
    3,180.13x = 4,768.34 × 1,099.24
  4. Step 4: Simplify right side
    3,180.13x = 5,241,532.64
  5. Step 5: Solve for x
    x = 5,241,532.64/3,180.13
  6. Step 6: Final answer
    x = 1,648.21

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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.