Home / 2,767.77-4,152.87-2,150.55

Finding the Fourth Proportional to 2,767.77, 4,152.87 and 2,150.55

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Solution

The fourth proportional to 2,767.77, 4,152.87 and 2,150.55 is: 3,226.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.77 : 4,152.87 = 2,150.55 : x
  2. Step 2: Convert to fraction form
    2,767.77/4,152.87 = 2,150.55/x
  3. Step 3: Cross multiply
    2,767.77x = 4,152.87 × 2,150.55
  4. Step 4: Simplify right side
    2,767.77x = 8,930,954.58
  5. Step 5: Solve for x
    x = 8,930,954.58/2,767.77
  6. Step 6: Final answer
    x = 3,226.77

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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.