Home / 4,037.05-5,571.21-2,268.78

Finding the Fourth Proportional to 4,037.05, 5,571.21 and 2,268.78

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Solution

The fourth proportional to 4,037.05, 5,571.21 and 2,268.78 is: 3,130.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,037.05 : 5,571.21 = 2,268.78 : x
  2. Step 2: Convert to fraction form
    4,037.05/5,571.21 = 2,268.78/x
  3. Step 3: Cross multiply
    4,037.05x = 5,571.21 × 2,268.78
  4. Step 4: Simplify right side
    4,037.05x = 12,639,849.82
  5. Step 5: Solve for x
    x = 12,639,849.82/4,037.05
  6. Step 6: Final answer
    x = 3,130.96

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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.