Home / 3,076.86-4,608.41-1,430.94

Finding the Fourth Proportional to 3,076.86, 4,608.41 and 1,430.94

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Solution

The fourth proportional to 3,076.86, 4,608.41 and 1,430.94 is: 2,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.86 : 4,608.41 = 1,430.94 : x
  2. Step 2: Convert to fraction form
    3,076.86/4,608.41 = 1,430.94/x
  3. Step 3: Cross multiply
    3,076.86x = 4,608.41 × 1,430.94
  4. Step 4: Simplify right side
    3,076.86x = 6,594,351.05
  5. Step 5: Solve for x
    x = 6,594,351.05/3,076.86
  6. Step 6: Final answer
    x = 2,143.21

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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.