Home / 2,767.60-3,817.41-2,177.11

Finding the Fourth Proportional to 2,767.60, 3,817.41 and 2,177.11

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Solution

The fourth proportional to 2,767.60, 3,817.41 and 2,177.11 is: 3,002.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.60 : 3,817.41 = 2,177.11 : x
  2. Step 2: Convert to fraction form
    2,767.60/3,817.41 = 2,177.11/x
  3. Step 3: Cross multiply
    2,767.60x = 3,817.41 × 2,177.11
  4. Step 4: Simplify right side
    2,767.60x = 8,310,902.40
  5. Step 5: Solve for x
    x = 8,310,902.40/2,767.60
  6. Step 6: Final answer
    x = 3,002.93

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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.