Home / 2,333.97-3,220.88-1,286.03

Finding the Fourth Proportional to 2,333.97, 3,220.88 and 1,286.03

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Solution

The fourth proportional to 2,333.97, 3,220.88 and 1,286.03 is: 1,774.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,333.97 : 3,220.88 = 1,286.03 : x
  2. Step 2: Convert to fraction form
    2,333.97/3,220.88 = 1,286.03/x
  3. Step 3: Cross multiply
    2,333.97x = 3,220.88 × 1,286.03
  4. Step 4: Simplify right side
    2,333.97x = 4,142,148.31
  5. Step 5: Solve for x
    x = 4,142,148.31/2,333.97
  6. Step 6: Final answer
    x = 1,774.72

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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.