Home / 3,491.10-5,237.46-3,105.54

Finding the Fourth Proportional to 3,491.10, 5,237.46 and 3,105.54

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Solution

The fourth proportional to 3,491.10, 5,237.46 and 3,105.54 is: 4,659.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.10 : 5,237.46 = 3,105.54 : x
  2. Step 2: Convert to fraction form
    3,491.10/5,237.46 = 3,105.54/x
  3. Step 3: Cross multiply
    3,491.10x = 5,237.46 × 3,105.54
  4. Step 4: Simplify right side
    3,491.10x = 16,265,141.53
  5. Step 5: Solve for x
    x = 16,265,141.53/3,491.10
  6. Step 6: Final answer
    x = 4,659.03

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1.5x scale

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.