Home / 2,828.89-4,245.95-1,443.25

Finding the Fourth Proportional to 2,828.89, 4,245.95 and 1,443.25

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Solution

The fourth proportional to 2,828.89, 4,245.95 and 1,443.25 is: 2,166.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.89 : 4,245.95 = 1,443.25 : x
  2. Step 2: Convert to fraction form
    2,828.89/4,245.95 = 1,443.25/x
  3. Step 3: Cross multiply
    2,828.89x = 4,245.95 × 1,443.25
  4. Step 4: Simplify right side
    2,828.89x = 6,127,976.25
  5. Step 5: Solve for x
    x = 6,127,976.25/2,828.89
  6. Step 6: Final answer
    x = 2,166.21

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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.