Home / 3,152.76-4,730.34-1,422.60

Finding the Fourth Proportional to 3,152.76, 4,730.34 and 1,422.60

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Solution

The fourth proportional to 3,152.76, 4,730.34 and 1,422.60 is: 2,134.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.76 : 4,730.34 = 1,422.60 : x
  2. Step 2: Convert to fraction form
    3,152.76/4,730.34 = 1,422.60/x
  3. Step 3: Cross multiply
    3,152.76x = 4,730.34 × 1,422.60
  4. Step 4: Simplify right side
    3,152.76x = 6,729,381.68
  5. Step 5: Solve for x
    x = 6,729,381.68/3,152.76
  6. Step 6: Final answer
    x = 2,134.44

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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.