Home / 2,777.25-4,168.71-2,167.62

Finding the Fourth Proportional to 2,777.25, 4,168.71 and 2,167.62

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Solution

The fourth proportional to 2,777.25, 4,168.71 and 2,167.62 is: 3,253.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.25 : 4,168.71 = 2,167.62 : x
  2. Step 2: Convert to fraction form
    2,777.25/4,168.71 = 2,167.62/x
  3. Step 3: Cross multiply
    2,777.25x = 4,168.71 × 2,167.62
  4. Step 4: Simplify right side
    2,777.25x = 9,036,179.17
  5. Step 5: Solve for x
    x = 9,036,179.17/2,777.25
  6. Step 6: Final answer
    x = 3,253.64

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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.