Home / 3,571.50-4,930.83-2,331.66

Finding the Fourth Proportional to 3,571.50, 4,930.83 and 2,331.66

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Solution

The fourth proportional to 3,571.50, 4,930.83 and 2,331.66 is: 3,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.50 : 4,930.83 = 2,331.66 : x
  2. Step 2: Convert to fraction form
    3,571.50/4,930.83 = 2,331.66/x
  3. Step 3: Cross multiply
    3,571.50x = 4,930.83 × 2,331.66
  4. Step 4: Simplify right side
    3,571.50x = 11,497,019.08
  5. Step 5: Solve for x
    x = 11,497,019.08/3,571.50
  6. Step 6: Final answer
    x = 3,219.10

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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.