Home / 2,333.66-3,220.46-1,338.96

Finding the Fourth Proportional to 2,333.66, 3,220.46 and 1,338.96

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Solution

The fourth proportional to 2,333.66, 3,220.46 and 1,338.96 is: 1,847.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,333.66 : 3,220.46 = 1,338.96 : x
  2. Step 2: Convert to fraction form
    2,333.66/3,220.46 = 1,338.96/x
  3. Step 3: Cross multiply
    2,333.66x = 3,220.46 × 1,338.96
  4. Step 4: Simplify right side
    2,333.66x = 4,312,067.12
  5. Step 5: Solve for x
    x = 4,312,067.12/2,333.66
  6. Step 6: Final answer
    x = 1,847.77

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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.