Home / 3,500.90-5,251.54-1,309.44

Finding the Fourth Proportional to 3,500.90, 5,251.54 and 1,309.44

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Solution

The fourth proportional to 3,500.90, 5,251.54 and 1,309.44 is: 1,964.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.90 : 5,251.54 = 1,309.44 : x
  2. Step 2: Convert to fraction form
    3,500.90/5,251.54 = 1,309.44/x
  3. Step 3: Cross multiply
    3,500.90x = 5,251.54 × 1,309.44
  4. Step 4: Simplify right side
    3,500.90x = 6,876,576.54
  5. Step 5: Solve for x
    x = 6,876,576.54/3,500.90
  6. Step 6: Final answer
    x = 1,964.23

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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.