Home / 2,422.41-3,342.92-1,539.10

Finding the Fourth Proportional to 2,422.41, 3,342.92 and 1,539.10

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Solution

The fourth proportional to 2,422.41, 3,342.92 and 1,539.10 is: 2,123.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.41 : 3,342.92 = 1,539.10 : x
  2. Step 2: Convert to fraction form
    2,422.41/3,342.92 = 1,539.10/x
  3. Step 3: Cross multiply
    2,422.41x = 3,342.92 × 1,539.10
  4. Step 4: Simplify right side
    2,422.41x = 5,145,093.31
  5. Step 5: Solve for x
    x = 5,145,093.31/2,422.41
  6. Step 6: Final answer
    x = 2,123.96

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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.