Home / 2,656.44-3,976.34-1,718.13

Finding the Fourth Proportional to 2,656.44, 3,976.34 and 1,718.13

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Solution

The fourth proportional to 2,656.44, 3,976.34 and 1,718.13 is: 2,571.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.44 : 3,976.34 = 1,718.13 : x
  2. Step 2: Convert to fraction form
    2,656.44/3,976.34 = 1,718.13/x
  3. Step 3: Cross multiply
    2,656.44x = 3,976.34 × 1,718.13
  4. Step 4: Simplify right side
    2,656.44x = 6,831,860.45
  5. Step 5: Solve for x
    x = 6,831,860.45/2,656.44
  6. Step 6: Final answer
    x = 2,571.81

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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.