Home / 2,767.28-3,817.70-1,772.34

Finding the Fourth Proportional to 2,767.28, 3,817.70 and 1,772.34

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Solution

The fourth proportional to 2,767.28, 3,817.70 and 1,772.34 is: 2,445.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.28 : 3,817.70 = 1,772.34 : x
  2. Step 2: Convert to fraction form
    2,767.28/3,817.70 = 1,772.34/x
  3. Step 3: Cross multiply
    2,767.28x = 3,817.70 × 1,772.34
  4. Step 4: Simplify right side
    2,767.28x = 6,766,262.42
  5. Step 5: Solve for x
    x = 6,766,262.42/2,767.28
  6. Step 6: Final answer
    x = 2,445.09

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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.