Home / 2,266.41-3,126.75-1,380.68

Finding the Fourth Proportional to 2,266.41, 3,126.75 and 1,380.68

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Solution

The fourth proportional to 2,266.41, 3,126.75 and 1,380.68 is: 1,904.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.41 : 3,126.75 = 1,380.68 : x
  2. Step 2: Convert to fraction form
    2,266.41/3,126.75 = 1,380.68/x
  3. Step 3: Cross multiply
    2,266.41x = 3,126.75 × 1,380.68
  4. Step 4: Simplify right side
    2,266.41x = 4,317,025.56
  5. Step 5: Solve for x
    x = 4,317,025.56/2,266.41
  6. Step 6: Final answer
    x = 1,904.79

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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.