Home / 2,896.93-3,997.74-1,718.56

Finding the Fourth Proportional to 2,896.93, 3,997.74 and 1,718.56

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Solution

The fourth proportional to 2,896.93, 3,997.74 and 1,718.56 is: 2,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.93 : 3,997.74 = 1,718.56 : x
  2. Step 2: Convert to fraction form
    2,896.93/3,997.74 = 1,718.56/x
  3. Step 3: Cross multiply
    2,896.93x = 3,997.74 × 1,718.56
  4. Step 4: Simplify right side
    2,896.93x = 6,870,356.05
  5. Step 5: Solve for x
    x = 6,870,356.05/2,896.93
  6. Step 6: Final answer
    x = 2,371.60

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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.