Home / 2,771.91-4,153.61-1,729.14

Finding the Fourth Proportional to 2,771.91, 4,153.61 and 1,729.14

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Solution

The fourth proportional to 2,771.91, 4,153.61 and 1,729.14 is: 2,591.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.91 : 4,153.61 = 1,729.14 : x
  2. Step 2: Convert to fraction form
    2,771.91/4,153.61 = 1,729.14/x
  3. Step 3: Cross multiply
    2,771.91x = 4,153.61 × 1,729.14
  4. Step 4: Simplify right side
    2,771.91x = 7,182,173.20
  5. Step 5: Solve for x
    x = 7,182,173.20/2,771.91
  6. Step 6: Final answer
    x = 2,591.06

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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.