Home / 2,767.72-3,811.62-2,548.84

Finding the Fourth Proportional to 2,767.72, 3,811.62 and 2,548.84

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Solution

The fourth proportional to 2,767.72, 3,811.62 and 2,548.84 is: 3,510.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.72 : 3,811.62 = 2,548.84 : x
  2. Step 2: Convert to fraction form
    2,767.72/3,811.62 = 2,548.84/x
  3. Step 3: Cross multiply
    2,767.72x = 3,811.62 × 2,548.84
  4. Step 4: Simplify right side
    2,767.72x = 9,715,209.52
  5. Step 5: Solve for x
    x = 9,715,209.52/2,767.72
  6. Step 6: Final answer
    x = 3,510.19

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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.