Home / 2,718.80-4,067.40-2,357.60

Finding the Fourth Proportional to 2,718.80, 4,067.40 and 2,357.60

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Solution

The fourth proportional to 2,718.80, 4,067.40 and 2,357.60 is: 3,527.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.80 : 4,067.40 = 2,357.60 : x
  2. Step 2: Convert to fraction form
    2,718.80/4,067.40 = 2,357.60/x
  3. Step 3: Cross multiply
    2,718.80x = 4,067.40 × 2,357.60
  4. Step 4: Simplify right side
    2,718.80x = 9,589,302.24
  5. Step 5: Solve for x
    x = 9,589,302.24/2,718.80
  6. Step 6: Final answer
    x = 3,527.03

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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.