Home / 2,560.21-3,839.87-1,173.22

Finding the Fourth Proportional to 2,560.21, 3,839.87 and 1,173.22

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Solution

The fourth proportional to 2,560.21, 3,839.87 and 1,173.22 is: 1,759.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.21 : 3,839.87 = 1,173.22 : x
  2. Step 2: Convert to fraction form
    2,560.21/3,839.87 = 1,173.22/x
  3. Step 3: Cross multiply
    2,560.21x = 3,839.87 × 1,173.22
  4. Step 4: Simplify right side
    2,560.21x = 4,505,005.61
  5. Step 5: Solve for x
    x = 4,505,005.61/2,560.21
  6. Step 6: Final answer
    x = 1,759.63

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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.