Home / 3,076.86-4,247.52-2,320.96

Finding the Fourth Proportional to 3,076.86, 4,247.52 and 2,320.96

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Solution

The fourth proportional to 3,076.86, 4,247.52 and 2,320.96 is: 3,204.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.86 : 4,247.52 = 2,320.96 : x
  2. Step 2: Convert to fraction form
    3,076.86/4,247.52 = 2,320.96/x
  3. Step 3: Cross multiply
    3,076.86x = 4,247.52 × 2,320.96
  4. Step 4: Simplify right side
    3,076.86x = 9,858,313.40
  5. Step 5: Solve for x
    x = 9,858,313.40/3,076.86
  6. Step 6: Final answer
    x = 3,204.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.