Home / 2,581.88-3,865.73-1,802.66

Finding the Fourth Proportional to 2,581.88, 3,865.73 and 1,802.66

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Solution

The fourth proportional to 2,581.88, 3,865.73 and 1,802.66 is: 2,699.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.88 : 3,865.73 = 1,802.66 : x
  2. Step 2: Convert to fraction form
    2,581.88/3,865.73 = 1,802.66/x
  3. Step 3: Cross multiply
    2,581.88x = 3,865.73 × 1,802.66
  4. Step 4: Simplify right side
    2,581.88x = 6,968,568.50
  5. Step 5: Solve for x
    x = 6,968,568.50/2,581.88
  6. Step 6: Final answer
    x = 2,699.03

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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.