Home / 2,991.35-4,482.16-1,759.88

Finding the Fourth Proportional to 2,991.35, 4,482.16 and 1,759.88

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Solution

The fourth proportional to 2,991.35, 4,482.16 and 1,759.88 is: 2,636.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.35 : 4,482.16 = 1,759.88 : x
  2. Step 2: Convert to fraction form
    2,991.35/4,482.16 = 1,759.88/x
  3. Step 3: Cross multiply
    2,991.35x = 4,482.16 × 1,759.88
  4. Step 4: Simplify right side
    2,991.35x = 7,888,063.74
  5. Step 5: Solve for x
    x = 7,888,063.74/2,991.35
  6. Step 6: Final answer
    x = 2,636.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.