Home / 3,422.19-5,133.61-1,573.82

Finding the Fourth Proportional to 3,422.19, 5,133.61 and 1,573.82

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Solution

The fourth proportional to 3,422.19, 5,133.61 and 1,573.82 is: 2,360.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.19 : 5,133.61 = 1,573.82 : x
  2. Step 2: Convert to fraction form
    3,422.19/5,133.61 = 1,573.82/x
  3. Step 3: Cross multiply
    3,422.19x = 5,133.61 × 1,573.82
  4. Step 4: Simplify right side
    3,422.19x = 8,079,378.09
  5. Step 5: Solve for x
    x = 8,079,378.09/3,422.19
  6. Step 6: Final answer
    x = 2,360.88

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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.