Home / 2,104.36-3,157.98-1,009.48

Finding the Fourth Proportional to 2,104.36, 3,157.98 and 1,009.48

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Solution

The fourth proportional to 2,104.36, 3,157.98 and 1,009.48 is: 1,514.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.36 : 3,157.98 = 1,009.48 : x
  2. Step 2: Convert to fraction form
    2,104.36/3,157.98 = 1,009.48/x
  3. Step 3: Cross multiply
    2,104.36x = 3,157.98 × 1,009.48
  4. Step 4: Simplify right side
    2,104.36x = 3,187,917.65
  5. Step 5: Solve for x
    x = 3,187,917.65/2,104.36
  6. Step 6: Final answer
    x = 1,514.91

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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.