Home / 2,422.46-3,342.11-1,427.37

Finding the Fourth Proportional to 2,422.46, 3,342.11 and 1,427.37

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Solution

The fourth proportional to 2,422.46, 3,342.11 and 1,427.37 is: 1,969.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.46 : 3,342.11 = 1,427.37 : x
  2. Step 2: Convert to fraction form
    2,422.46/3,342.11 = 1,427.37/x
  3. Step 3: Cross multiply
    2,422.46x = 3,342.11 × 1,427.37
  4. Step 4: Simplify right side
    2,422.46x = 4,770,420.41
  5. Step 5: Solve for x
    x = 4,770,420.41/2,422.46
  6. Step 6: Final answer
    x = 1,969.25

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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.