Home / 3,212.28-4,795.27-2,971.80

Finding the Fourth Proportional to 3,212.28, 4,795.27 and 2,971.80

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Solution

The fourth proportional to 3,212.28, 4,795.27 and 2,971.80 is: 4,436.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.28 : 4,795.27 = 2,971.80 : x
  2. Step 2: Convert to fraction form
    3,212.28/4,795.27 = 2,971.80/x
  3. Step 3: Cross multiply
    3,212.28x = 4,795.27 × 2,971.80
  4. Step 4: Simplify right side
    3,212.28x = 14,250,583.39
  5. Step 5: Solve for x
    x = 14,250,583.39/3,212.28
  6. Step 6: Final answer
    x = 4,436.28

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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.