Home / 3,197.43-4,411.53-2,018.88

Finding the Fourth Proportional to 3,197.43, 4,411.53 and 2,018.88

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Solution

The fourth proportional to 3,197.43, 4,411.53 and 2,018.88 is: 2,785.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.43 : 4,411.53 = 2,018.88 : x
  2. Step 2: Convert to fraction form
    3,197.43/4,411.53 = 2,018.88/x
  3. Step 3: Cross multiply
    3,197.43x = 4,411.53 × 2,018.88
  4. Step 4: Simplify right side
    3,197.43x = 8,906,349.69
  5. Step 5: Solve for x
    x = 8,906,349.69/3,197.43
  6. Step 6: Final answer
    x = 2,785.47

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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.