Home / 3,147.70-4,343.97-1,750.54

Finding the Fourth Proportional to 3,147.70, 4,343.97 and 1,750.54

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Solution

The fourth proportional to 3,147.70, 4,343.97 and 1,750.54 is: 2,415.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.70 : 4,343.97 = 1,750.54 : x
  2. Step 2: Convert to fraction form
    3,147.70/4,343.97 = 1,750.54/x
  3. Step 3: Cross multiply
    3,147.70x = 4,343.97 × 1,750.54
  4. Step 4: Simplify right side
    3,147.70x = 7,604,293.24
  5. Step 5: Solve for x
    x = 7,604,293.24/3,147.70
  6. Step 6: Final answer
    x = 2,415.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.