Home / 2,951.18-4,072.19-1,889.87

Finding the Fourth Proportional to 2,951.18, 4,072.19 and 1,889.87

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Solution

The fourth proportional to 2,951.18, 4,072.19 and 1,889.87 is: 2,607.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.18 : 4,072.19 = 1,889.87 : x
  2. Step 2: Convert to fraction form
    2,951.18/4,072.19 = 1,889.87/x
  3. Step 3: Cross multiply
    2,951.18x = 4,072.19 × 1,889.87
  4. Step 4: Simplify right side
    2,951.18x = 7,695,924.62
  5. Step 5: Solve for x
    x = 7,695,924.62/2,951.18
  6. Step 6: Final answer
    x = 2,607.75

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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.