Home / 3,370.43-5,056.33-1,422.64

Finding the Fourth Proportional to 3,370.43, 5,056.33 and 1,422.64

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Solution

The fourth proportional to 3,370.43, 5,056.33 and 1,422.64 is: 2,134.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.43 : 5,056.33 = 1,422.64 : x
  2. Step 2: Convert to fraction form
    3,370.43/5,056.33 = 1,422.64/x
  3. Step 3: Cross multiply
    3,370.43x = 5,056.33 × 1,422.64
  4. Step 4: Simplify right side
    3,370.43x = 7,193,337.31
  5. Step 5: Solve for x
    x = 7,193,337.31/3,370.43
  6. Step 6: Final answer
    x = 2,134.25

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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.