Home / 2,718.09-3,722.78-2,558.47

Finding the Fourth Proportional to 2,718.09, 3,722.78 and 2,558.47

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Solution

The fourth proportional to 2,718.09, 3,722.78 and 2,558.47 is: 3,504.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.09 : 3,722.78 = 2,558.47 : x
  2. Step 2: Convert to fraction form
    2,718.09/3,722.78 = 2,558.47/x
  3. Step 3: Cross multiply
    2,718.09x = 3,722.78 × 2,558.47
  4. Step 4: Simplify right side
    2,718.09x = 9,524,610.62
  5. Step 5: Solve for x
    x = 9,524,610.62/2,718.09
  6. Step 6: Final answer
    x = 3,504.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.