Home / 2,625.93-3,623.78-1,447

Finding the Fourth Proportional to 2,625.93, 3,623.78 and 1,447

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Solution

The fourth proportional to 2,625.93, 3,623.78 and 1,447 is: 1,996.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.93 : 3,623.78 = 1,447 : x
  2. Step 2: Convert to fraction form
    2,625.93/3,623.78 = 1,447/x
  3. Step 3: Cross multiply
    2,625.93x = 3,623.78 × 1,447
  4. Step 4: Simplify right side
    2,625.93x = 5,243,609.66
  5. Step 5: Solve for x
    x = 5,243,609.66/2,625.93
  6. Step 6: Final answer
    x = 1,996.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.