Home / 2,896.68-3,997.40-1,718.32

Finding the Fourth Proportional to 2,896.68, 3,997.40 and 1,718.32

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Solution

The fourth proportional to 2,896.68, 3,997.40 and 1,718.32 is: 2,371.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.68 : 3,997.40 = 1,718.32 : x
  2. Step 2: Convert to fraction form
    2,896.68/3,997.40 = 1,718.32/x
  3. Step 3: Cross multiply
    2,896.68x = 3,997.40 × 1,718.32
  4. Step 4: Simplify right side
    2,896.68x = 6,868,812.37
  5. Step 5: Solve for x
    x = 6,868,812.37/2,896.68
  6. Step 6: Final answer
    x = 2,371.27

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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.