Home / 3,243.37-4,839.74-2,894.31

Finding the Fourth Proportional to 3,243.37, 4,839.74 and 2,894.31

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Solution

The fourth proportional to 3,243.37, 4,839.74 and 2,894.31 is: 4,318.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.37 : 4,839.74 = 2,894.31 : x
  2. Step 2: Convert to fraction form
    3,243.37/4,839.74 = 2,894.31/x
  3. Step 3: Cross multiply
    3,243.37x = 4,839.74 × 2,894.31
  4. Step 4: Simplify right side
    3,243.37x = 14,007,707.88
  5. Step 5: Solve for x
    x = 14,007,707.88/3,243.37
  6. Step 6: Final answer
    x = 4,318.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.