Home / 3,449.08-5,171.46-1,911.16

Finding the Fourth Proportional to 3,449.08, 5,171.46 and 1,911.16

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Solution

The fourth proportional to 3,449.08, 5,171.46 and 1,911.16 is: 2,865.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.08 : 5,171.46 = 1,911.16 : x
  2. Step 2: Convert to fraction form
    3,449.08/5,171.46 = 1,911.16/x
  3. Step 3: Cross multiply
    3,449.08x = 5,171.46 × 1,911.16
  4. Step 4: Simplify right side
    3,449.08x = 9,883,487.49
  5. Step 5: Solve for x
    x = 9,883,487.49/3,449.08
  6. Step 6: Final answer
    x = 2,865.54

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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.