Home / 2,828.37-4,238.91-1,366.74

Finding the Fourth Proportional to 2,828.37, 4,238.91 and 1,366.74

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Solution

The fourth proportional to 2,828.37, 4,238.91 and 1,366.74 is: 2,048.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.37 : 4,238.91 = 1,366.74 : x
  2. Step 2: Convert to fraction form
    2,828.37/4,238.91 = 1,366.74/x
  3. Step 3: Cross multiply
    2,828.37x = 4,238.91 × 1,366.74
  4. Step 4: Simplify right side
    2,828.37x = 5,793,487.85
  5. Step 5: Solve for x
    x = 5,793,487.85/2,828.37
  6. Step 6: Final answer
    x = 2,048.35

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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.