Home / 3,561.12-4,912.48-2,232.32

Finding the Fourth Proportional to 3,561.12, 4,912.48 and 2,232.32

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Solution

The fourth proportional to 3,561.12, 4,912.48 and 2,232.32 is: 3,079.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.12 : 4,912.48 = 2,232.32 : x
  2. Step 2: Convert to fraction form
    3,561.12/4,912.48 = 2,232.32/x
  3. Step 3: Cross multiply
    3,561.12x = 4,912.48 × 2,232.32
  4. Step 4: Simplify right side
    3,561.12x = 10,966,227.35
  5. Step 5: Solve for x
    x = 10,966,227.35/3,561.12
  6. Step 6: Final answer
    x = 3,079.43

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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.