Home / 3,207.66-4,426.56-1,863.52

Finding the Fourth Proportional to 3,207.66, 4,426.56 and 1,863.52

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Solution

The fourth proportional to 3,207.66, 4,426.56 and 1,863.52 is: 2,571.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.66 : 4,426.56 = 1,863.52 : x
  2. Step 2: Convert to fraction form
    3,207.66/4,426.56 = 1,863.52/x
  3. Step 3: Cross multiply
    3,207.66x = 4,426.56 × 1,863.52
  4. Step 4: Simplify right side
    3,207.66x = 8,248,983.09
  5. Step 5: Solve for x
    x = 8,248,983.09/3,207.66
  6. Step 6: Final answer
    x = 2,571.66

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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.