Home / 2,625.31-3,943.43-2,215.24

Finding the Fourth Proportional to 2,625.31, 3,943.43 and 2,215.24

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Solution

The fourth proportional to 2,625.31, 3,943.43 and 2,215.24 is: 3,327.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.31 : 3,943.43 = 2,215.24 : x
  2. Step 2: Convert to fraction form
    2,625.31/3,943.43 = 2,215.24/x
  3. Step 3: Cross multiply
    2,625.31x = 3,943.43 × 2,215.24
  4. Step 4: Simplify right side
    2,625.31x = 8,735,643.87
  5. Step 5: Solve for x
    x = 8,735,643.87/2,625.31
  6. Step 6: Final answer
    x = 3,327.47

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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.