Home / 2,951.20-4,072.66-1,624.98

Finding the Fourth Proportional to 2,951.20, 4,072.66 and 1,624.98

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Solution

The fourth proportional to 2,951.20, 4,072.66 and 1,624.98 is: 2,242.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.20 : 4,072.66 = 1,624.98 : x
  2. Step 2: Convert to fraction form
    2,951.20/4,072.66 = 1,624.98/x
  3. Step 3: Cross multiply
    2,951.20x = 4,072.66 × 1,624.98
  4. Step 4: Simplify right side
    2,951.20x = 6,617,991.05
  5. Step 5: Solve for x
    x = 6,617,991.05/2,951.20
  6. Step 6: Final answer
    x = 2,242.47

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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.