Home / 3,399.66-4,691.57-1,887.25

Finding the Fourth Proportional to 3,399.66, 4,691.57 and 1,887.25

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Solution

The fourth proportional to 3,399.66, 4,691.57 and 1,887.25 is: 2,604.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.66 : 4,691.57 = 1,887.25 : x
  2. Step 2: Convert to fraction form
    3,399.66/4,691.57 = 1,887.25/x
  3. Step 3: Cross multiply
    3,399.66x = 4,691.57 × 1,887.25
  4. Step 4: Simplify right side
    3,399.66x = 8,854,165.48
  5. Step 5: Solve for x
    x = 8,854,165.48/3,399.66
  6. Step 6: Final answer
    x = 2,604.43

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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.