Home / 2,879.65-4,316.09-1,647.91

Finding the Fourth Proportional to 2,879.65, 4,316.09 and 1,647.91

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Solution

The fourth proportional to 2,879.65, 4,316.09 and 1,647.91 is: 2,469.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.65 : 4,316.09 = 1,647.91 : x
  2. Step 2: Convert to fraction form
    2,879.65/4,316.09 = 1,647.91/x
  3. Step 3: Cross multiply
    2,879.65x = 4,316.09 × 1,647.91
  4. Step 4: Simplify right side
    2,879.65x = 7,112,508.84
  5. Step 5: Solve for x
    x = 7,112,508.84/2,879.65
  6. Step 6: Final answer
    x = 2,469.92

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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.