Home / 2,958.76-4,435.26-1,228.36

Finding the Fourth Proportional to 2,958.76, 4,435.26 and 1,228.36

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Solution

The fourth proportional to 2,958.76, 4,435.26 and 1,228.36 is: 1,841.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.76 : 4,435.26 = 1,228.36 : x
  2. Step 2: Convert to fraction form
    2,958.76/4,435.26 = 1,228.36/x
  3. Step 3: Cross multiply
    2,958.76x = 4,435.26 × 1,228.36
  4. Step 4: Simplify right side
    2,958.76x = 5,448,095.97
  5. Step 5: Solve for x
    x = 5,448,095.97/2,958.76
  6. Step 6: Final answer
    x = 1,841.34

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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.