Home / 3,379.41-4,661.28-2,936.54

Finding the Fourth Proportional to 3,379.41, 4,661.28 and 2,936.54

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Solution

The fourth proportional to 3,379.41, 4,661.28 and 2,936.54 is: 4,050.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.41 : 4,661.28 = 2,936.54 : x
  2. Step 2: Convert to fraction form
    3,379.41/4,661.28 = 2,936.54/x
  3. Step 3: Cross multiply
    3,379.41x = 4,661.28 × 2,936.54
  4. Step 4: Simplify right side
    3,379.41x = 13,688,046.82
  5. Step 5: Solve for x
    x = 13,688,046.82/3,379.41
  6. Step 6: Final answer
    x = 4,050.43

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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.