Home / 3,271.43-4,907.52-1,422.74

Finding the Fourth Proportional to 3,271.43, 4,907.52 and 1,422.74

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Solution

The fourth proportional to 3,271.43, 4,907.52 and 1,422.74 is: 2,134.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.43 : 4,907.52 = 1,422.74 : x
  2. Step 2: Convert to fraction form
    3,271.43/4,907.52 = 1,422.74/x
  3. Step 3: Cross multiply
    3,271.43x = 4,907.52 × 1,422.74
  4. Step 4: Simplify right side
    3,271.43x = 6,982,100.47
  5. Step 5: Solve for x
    x = 6,982,100.47/3,271.43
  6. Step 6: Final answer
    x = 2,134.27

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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.