Home / 2,717.31-3,745.53-2,219.07

Finding the Fourth Proportional to 2,717.31, 3,745.53 and 2,219.07

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Solution

The fourth proportional to 2,717.31, 3,745.53 and 2,219.07 is: 3,058.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.31 : 3,745.53 = 2,219.07 : x
  2. Step 2: Convert to fraction form
    2,717.31/3,745.53 = 2,219.07/x
  3. Step 3: Cross multiply
    2,717.31x = 3,745.53 × 2,219.07
  4. Step 4: Simplify right side
    2,717.31x = 8,311,593.26
  5. Step 5: Solve for x
    x = 8,311,593.26/2,717.31
  6. Step 6: Final answer
    x = 3,058.76

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1.5x scale

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.