Home / 3,251.39-4,486.93-1,759.31

Finding the Fourth Proportional to 3,251.39, 4,486.93 and 1,759.31

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Solution

The fourth proportional to 3,251.39, 4,486.93 and 1,759.31 is: 2,427.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.39 : 4,486.93 = 1,759.31 : x
  2. Step 2: Convert to fraction form
    3,251.39/4,486.93 = 1,759.31/x
  3. Step 3: Cross multiply
    3,251.39x = 4,486.93 × 1,759.31
  4. Step 4: Simplify right side
    3,251.39x = 7,893,907.64
  5. Step 5: Solve for x
    x = 7,893,907.64/3,251.39
  6. Step 6: Final answer
    x = 2,427.86

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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.