Home / 1,867.89-2,802.01-481.23

Finding the Fourth Proportional to 1,867.89, 2,802.01 and 481.23

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Solution

The fourth proportional to 1,867.89, 2,802.01 and 481.23 is: 721.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.89 : 2,802.01 = 481.23 : x
  2. Step 2: Convert to fraction form
    1,867.89/2,802.01 = 481.23/x
  3. Step 3: Cross multiply
    1,867.89x = 2,802.01 × 481.23
  4. Step 4: Simplify right side
    1,867.89x = 1,348,418.85
  5. Step 5: Solve for x
    x = 1,348,418.85/1,867.89
  6. Step 6: Final answer
    x = 721.89

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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.