Home / 2,718.66-3,756.78-2,054.37

Finding the Fourth Proportional to 2,718.66, 3,756.78 and 2,054.37

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Solution

The fourth proportional to 2,718.66, 3,756.78 and 2,054.37 is: 2,838.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.66 : 3,756.78 = 2,054.37 : x
  2. Step 2: Convert to fraction form
    2,718.66/3,756.78 = 2,054.37/x
  3. Step 3: Cross multiply
    2,718.66x = 3,756.78 × 2,054.37
  4. Step 4: Simplify right side
    2,718.66x = 7,717,816.13
  5. Step 5: Solve for x
    x = 7,717,816.13/2,718.66
  6. Step 6: Final answer
    x = 2,838.83

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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.