Home / 2,571.31-3,555.41-2,529.60

Finding the Fourth Proportional to 2,571.31, 3,555.41 and 2,529.60

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Solution

The fourth proportional to 2,571.31, 3,555.41 and 2,529.60 is: 3,497.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571.31 : 3,555.41 = 2,529.60 : x
  2. Step 2: Convert to fraction form
    2,571.31/3,555.41 = 2,529.60/x
  3. Step 3: Cross multiply
    2,571.31x = 3,555.41 × 2,529.60
  4. Step 4: Simplify right side
    2,571.31x = 8,993,765.14
  5. Step 5: Solve for x
    x = 8,993,765.14/2,571.31
  6. Step 6: Final answer
    x = 3,497.74

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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.