Home / 3,440.09-5,160.20-1,100.54

Finding the Fourth Proportional to 3,440.09, 5,160.20 and 1,100.54

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Solution

The fourth proportional to 3,440.09, 5,160.20 and 1,100.54 is: 1,650.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.09 : 5,160.20 = 1,100.54 : x
  2. Step 2: Convert to fraction form
    3,440.09/5,160.20 = 1,100.54/x
  3. Step 3: Cross multiply
    3,440.09x = 5,160.20 × 1,100.54
  4. Step 4: Simplify right side
    3,440.09x = 5,678,975.20
  5. Step 5: Solve for x
    x = 5,678,975.20/3,440.09
  6. Step 6: Final answer
    x = 1,650.82

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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.