Home / 2,759.58-4,144.84-1,720.15

Finding the Fourth Proportional to 2,759.58, 4,144.84 and 1,720.15

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Solution

The fourth proportional to 2,759.58, 4,144.84 and 1,720.15 is: 2,583.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.58 : 4,144.84 = 1,720.15 : x
  2. Step 2: Convert to fraction form
    2,759.58/4,144.84 = 1,720.15/x
  3. Step 3: Cross multiply
    2,759.58x = 4,144.84 × 1,720.15
  4. Step 4: Simplify right side
    2,759.58x = 7,129,731.86
  5. Step 5: Solve for x
    x = 7,129,731.86/2,759.58
  6. Step 6: Final answer
    x = 2,583.63

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1.5x scale

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.