Home / 3,076.30-4,612.96-1,225.86

Finding the Fourth Proportional to 3,076.30, 4,612.96 and 1,225.86

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Solution

The fourth proportional to 3,076.30, 4,612.96 and 1,225.86 is: 1,838.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.30 : 4,612.96 = 1,225.86 : x
  2. Step 2: Convert to fraction form
    3,076.30/4,612.96 = 1,225.86/x
  3. Step 3: Cross multiply
    3,076.30x = 4,612.96 × 1,225.86
  4. Step 4: Simplify right side
    3,076.30x = 5,654,843.15
  5. Step 5: Solve for x
    x = 5,654,843.15/3,076.30
  6. Step 6: Final answer
    x = 1,838.20

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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.