Home / 2,774.87-4,132.09-2,744.19

Finding the Fourth Proportional to 2,774.87, 4,132.09 and 2,744.19

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Solution

The fourth proportional to 2,774.87, 4,132.09 and 2,744.19 is: 4,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.87 : 4,132.09 = 2,744.19 : x
  2. Step 2: Convert to fraction form
    2,774.87/4,132.09 = 2,744.19/x
  3. Step 3: Cross multiply
    2,774.87x = 4,132.09 × 2,744.19
  4. Step 4: Simplify right side
    2,774.87x = 11,339,240.06
  5. Step 5: Solve for x
    x = 11,339,240.06/2,774.87
  6. Step 6: Final answer
    x = 4,086.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.