Home / 2,776.26-3,823.46-2,767.60

Finding the Fourth Proportional to 2,776.26, 3,823.46 and 2,767.60

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Solution

The fourth proportional to 2,776.26, 3,823.46 and 2,767.60 is: 3,811.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.26 : 3,823.46 = 2,767.60 : x
  2. Step 2: Convert to fraction form
    2,776.26/3,823.46 = 2,767.60/x
  3. Step 3: Cross multiply
    2,776.26x = 3,823.46 × 2,767.60
  4. Step 4: Simplify right side
    2,776.26x = 10,581,807.90
  5. Step 5: Solve for x
    x = 10,581,807.90/2,776.26
  6. Step 6: Final answer
    x = 3,811.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.