Home / 2,650.11-3,975.25-1,333.14

Finding the Fourth Proportional to 2,650.11, 3,975.25 and 1,333.14

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Solution

The fourth proportional to 2,650.11, 3,975.25 and 1,333.14 is: 1,999.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.11 : 3,975.25 = 1,333.14 : x
  2. Step 2: Convert to fraction form
    2,650.11/3,975.25 = 1,333.14/x
  3. Step 3: Cross multiply
    2,650.11x = 3,975.25 × 1,333.14
  4. Step 4: Simplify right side
    2,650.11x = 5,299,586.34
  5. Step 5: Solve for x
    x = 5,299,586.34/2,650.11
  6. Step 6: Final answer
    x = 1,999.76

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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.