Home / 2,713.92-3,745.29-1,535.17

Finding the Fourth Proportional to 2,713.92, 3,745.29 and 1,535.17

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Solution

The fourth proportional to 2,713.92, 3,745.29 and 1,535.17 is: 2,118.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.92 : 3,745.29 = 1,535.17 : x
  2. Step 2: Convert to fraction form
    2,713.92/3,745.29 = 1,535.17/x
  3. Step 3: Cross multiply
    2,713.92x = 3,745.29 × 1,535.17
  4. Step 4: Simplify right side
    2,713.92x = 5,749,649.17
  5. Step 5: Solve for x
    x = 5,749,649.17/2,713.92
  6. Step 6: Final answer
    x = 2,118.58

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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.