Home / 2,650.12-3,648.85-2,250.94

Finding the Fourth Proportional to 2,650.12, 3,648.85 and 2,250.94

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Solution

The fourth proportional to 2,650.12, 3,648.85 and 2,250.94 is: 3,099.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.12 : 3,648.85 = 2,250.94 : x
  2. Step 2: Convert to fraction form
    2,650.12/3,648.85 = 2,250.94/x
  3. Step 3: Cross multiply
    2,650.12x = 3,648.85 × 2,250.94
  4. Step 4: Simplify right side
    2,650.12x = 8,213,342.42
  5. Step 5: Solve for x
    x = 8,213,342.42/2,650.12
  6. Step 6: Final answer
    x = 3,099.23

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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.