Home / 2,840.35-4,261.20-892.56

Finding the Fourth Proportional to 2,840.35, 4,261.20 and 892.56

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Solution

The fourth proportional to 2,840.35, 4,261.20 and 892.56 is: 1,339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.35 : 4,261.20 = 892.56 : x
  2. Step 2: Convert to fraction form
    2,840.35/4,261.20 = 892.56/x
  3. Step 3: Cross multiply
    2,840.35x = 4,261.20 × 892.56
  4. Step 4: Simplify right side
    2,840.35x = 3,803,350.90
  5. Step 5: Solve for x
    x = 3,803,350.90/2,840.35
  6. Step 6: Final answer
    x = 1,339.04

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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.