Home / 3,177.94-4,379.96-2,681.86

Finding the Fourth Proportional to 3,177.94, 4,379.96 and 2,681.86

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Solution

The fourth proportional to 3,177.94, 4,379.96 and 2,681.86 is: 3,696.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.94 : 4,379.96 = 2,681.86 : x
  2. Step 2: Convert to fraction form
    3,177.94/4,379.96 = 2,681.86/x
  3. Step 3: Cross multiply
    3,177.94x = 4,379.96 × 2,681.86
  4. Step 4: Simplify right side
    3,177.94x = 11,746,439.53
  5. Step 5: Solve for x
    x = 11,746,439.53/3,177.94
  6. Step 6: Final answer
    x = 3,696.24

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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.