Home / 3,770.29-5,661.87-2,456.29

Finding the Fourth Proportional to 3,770.29, 5,661.87 and 2,456.29

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Solution

The fourth proportional to 3,770.29, 5,661.87 and 2,456.29 is: 3,688.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.29 : 5,661.87 = 2,456.29 : x
  2. Step 2: Convert to fraction form
    3,770.29/5,661.87 = 2,456.29/x
  3. Step 3: Cross multiply
    3,770.29x = 5,661.87 × 2,456.29
  4. Step 4: Simplify right side
    3,770.29x = 13,907,194.66
  5. Step 5: Solve for x
    x = 13,907,194.66/3,770.29
  6. Step 6: Final answer
    x = 3,688.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.