Home / 2,976.65-4,107.81-1,650.38

Finding the Fourth Proportional to 2,976.65, 4,107.81 and 1,650.38

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Solution

The fourth proportional to 2,976.65, 4,107.81 and 1,650.38 is: 2,277.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.65 : 4,107.81 = 1,650.38 : x
  2. Step 2: Convert to fraction form
    2,976.65/4,107.81 = 1,650.38/x
  3. Step 3: Cross multiply
    2,976.65x = 4,107.81 × 1,650.38
  4. Step 4: Simplify right side
    2,976.65x = 6,779,447.47
  5. Step 5: Solve for x
    x = 6,779,447.47/2,976.65
  6. Step 6: Final answer
    x = 2,277.54

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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.