Home / 2,951.20-4,072.80-1,624.96

Finding the Fourth Proportional to 2,951.20, 4,072.80 and 1,624.96

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Solution

The fourth proportional to 2,951.20, 4,072.80 and 1,624.96 is: 2,242.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.20 : 4,072.80 = 1,624.96 : x
  2. Step 2: Convert to fraction form
    2,951.20/4,072.80 = 1,624.96/x
  3. Step 3: Cross multiply
    2,951.20x = 4,072.80 × 1,624.96
  4. Step 4: Simplify right side
    2,951.20x = 6,618,137.09
  5. Step 5: Solve for x
    x = 6,618,137.09/2,951.20
  6. Step 6: Final answer
    x = 2,242.52

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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.