Home / 2,828.91-4,237.69-1,442.19

Finding the Fourth Proportional to 2,828.91, 4,237.69 and 1,442.19

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Solution

The fourth proportional to 2,828.91, 4,237.69 and 1,442.19 is: 2,160.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.91 : 4,237.69 = 1,442.19 : x
  2. Step 2: Convert to fraction form
    2,828.91/4,237.69 = 1,442.19/x
  3. Step 3: Cross multiply
    2,828.91x = 4,237.69 × 1,442.19
  4. Step 4: Simplify right side
    2,828.91x = 6,111,550.54
  5. Step 5: Solve for x
    x = 6,111,550.54/2,828.91
  6. Step 6: Final answer
    x = 2,160.39

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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.