Home / 2,951.65-4,430.18-1,857.97

Finding the Fourth Proportional to 2,951.65, 4,430.18 and 1,857.97

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Solution

The fourth proportional to 2,951.65, 4,430.18 and 1,857.97 is: 2,788.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.65 : 4,430.18 = 1,857.97 : x
  2. Step 2: Convert to fraction form
    2,951.65/4,430.18 = 1,857.97/x
  3. Step 3: Cross multiply
    2,951.65x = 4,430.18 × 1,857.97
  4. Step 4: Simplify right side
    2,951.65x = 8,231,141.27
  5. Step 5: Solve for x
    x = 8,231,141.27/2,951.65
  6. Step 6: Final answer
    x = 2,788.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.