Home / 2,677.44-4,012.92-1,378.20

Finding the Fourth Proportional to 2,677.44, 4,012.92 and 1,378.20

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Solution

The fourth proportional to 2,677.44, 4,012.92 and 1,378.20 is: 2,065.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.44 : 4,012.92 = 1,378.20 : x
  2. Step 2: Convert to fraction form
    2,677.44/4,012.92 = 1,378.20/x
  3. Step 3: Cross multiply
    2,677.44x = 4,012.92 × 1,378.20
  4. Step 4: Simplify right side
    2,677.44x = 5,530,606.34
  5. Step 5: Solve for x
    x = 5,530,606.34/2,677.44
  6. Step 6: Final answer
    x = 2,065.63

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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.