Home / 3,340.32-5,012.26-1,879.58

Finding the Fourth Proportional to 3,340.32, 5,012.26 and 1,879.58

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Solution

The fourth proportional to 3,340.32, 5,012.26 and 1,879.58 is: 2,820.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.32 : 5,012.26 = 1,879.58 : x
  2. Step 2: Convert to fraction form
    3,340.32/5,012.26 = 1,879.58/x
  3. Step 3: Cross multiply
    3,340.32x = 5,012.26 × 1,879.58
  4. Step 4: Simplify right side
    3,340.32x = 9,420,913.89
  5. Step 5: Solve for x
    x = 9,420,913.89/3,340.32
  6. Step 6: Final answer
    x = 2,820.36

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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.