Home / 2,973.65-4,103.66-1,647.37

Finding the Fourth Proportional to 2,973.65, 4,103.66 and 1,647.37

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Solution

The fourth proportional to 2,973.65, 4,103.66 and 1,647.37 is: 2,273.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.65 : 4,103.66 = 1,647.37 : x
  2. Step 2: Convert to fraction form
    2,973.65/4,103.66 = 1,647.37/x
  3. Step 3: Cross multiply
    2,973.65x = 4,103.66 × 1,647.37
  4. Step 4: Simplify right side
    2,973.65x = 6,760,255.62
  5. Step 5: Solve for x
    x = 6,760,255.62/2,973.65
  6. Step 6: Final answer
    x = 2,273.39

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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.