Home / 3,512.46-5,243.07-3,240.30

Finding the Fourth Proportional to 3,512.46, 5,243.07 and 3,240.30

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Solution

The fourth proportional to 3,512.46, 5,243.07 and 3,240.30 is: 4,836.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.46 : 5,243.07 = 3,240.30 : x
  2. Step 2: Convert to fraction form
    3,512.46/5,243.07 = 3,240.30/x
  3. Step 3: Cross multiply
    3,512.46x = 5,243.07 × 3,240.30
  4. Step 4: Simplify right side
    3,512.46x = 16,989,119.72
  5. Step 5: Solve for x
    x = 16,989,119.72/3,512.46
  6. Step 6: Final answer
    x = 4,836.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.