Home / 2,767.77-4,153.68-2,149.92

Finding the Fourth Proportional to 2,767.77, 4,153.68 and 2,149.92

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Solution

The fourth proportional to 2,767.77, 4,153.68 and 2,149.92 is: 3,226.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.77 : 4,153.68 = 2,149.92 : x
  2. Step 2: Convert to fraction form
    2,767.77/4,153.68 = 2,149.92/x
  3. Step 3: Cross multiply
    2,767.77x = 4,153.68 × 2,149.92
  4. Step 4: Simplify right side
    2,767.77x = 8,930,079.71
  5. Step 5: Solve for x
    x = 8,930,079.71/2,767.77
  6. Step 6: Final answer
    x = 3,226.45

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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.