Home / 3,606.45-4,977.21-2,649.73

Finding the Fourth Proportional to 3,606.45, 4,977.21 and 2,649.73

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Solution

The fourth proportional to 3,606.45, 4,977.21 and 2,649.73 is: 3,656.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.45 : 4,977.21 = 2,649.73 : x
  2. Step 2: Convert to fraction form
    3,606.45/4,977.21 = 2,649.73/x
  3. Step 3: Cross multiply
    3,606.45x = 4,977.21 × 2,649.73
  4. Step 4: Simplify right side
    3,606.45x = 13,188,224.52
  5. Step 5: Solve for x
    x = 13,188,224.52/3,606.45
  6. Step 6: Final answer
    x = 3,656.84

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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.