Home / 3,190.69-4,757.88-2,802.29

Finding the Fourth Proportional to 3,190.69, 4,757.88 and 2,802.29

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Solution

The fourth proportional to 3,190.69, 4,757.88 and 2,802.29 is: 4,178.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.69 : 4,757.88 = 2,802.29 : x
  2. Step 2: Convert to fraction form
    3,190.69/4,757.88 = 2,802.29/x
  3. Step 3: Cross multiply
    3,190.69x = 4,757.88 × 2,802.29
  4. Step 4: Simplify right side
    3,190.69x = 13,332,945.53
  5. Step 5: Solve for x
    x = 13,332,945.53/3,190.69
  6. Step 6: Final answer
    x = 4,178.71

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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.