Home / 3,069.12-4,232.16-2,571.36

Finding the Fourth Proportional to 3,069.12, 4,232.16 and 2,571.36

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Solution

The fourth proportional to 3,069.12, 4,232.16 and 2,571.36 is: 3,545.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.12 : 4,232.16 = 2,571.36 : x
  2. Step 2: Convert to fraction form
    3,069.12/4,232.16 = 2,571.36/x
  3. Step 3: Cross multiply
    3,069.12x = 4,232.16 × 2,571.36
  4. Step 4: Simplify right side
    3,069.12x = 10,882,406.94
  5. Step 5: Solve for x
    x = 10,882,406.94/3,069.12
  6. Step 6: Final answer
    x = 3,545.77

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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.