Home / 2,512.23-3,768.41-1,479.48

Finding the Fourth Proportional to 2,512.23, 3,768.41 and 1,479.48

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Solution

The fourth proportional to 2,512.23, 3,768.41 and 1,479.48 is: 2,219.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.23 : 3,768.41 = 1,479.48 : x
  2. Step 2: Convert to fraction form
    2,512.23/3,768.41 = 1,479.48/x
  3. Step 3: Cross multiply
    2,512.23x = 3,768.41 × 1,479.48
  4. Step 4: Simplify right side
    2,512.23x = 5,575,279.83
  5. Step 5: Solve for x
    x = 5,575,279.83/2,512.23
  6. Step 6: Final answer
    x = 2,219.26

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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.