Home / 2,739.60-4,118.49-2,536.68

Finding the Fourth Proportional to 2,739.60, 4,118.49 and 2,536.68

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Solution

The fourth proportional to 2,739.60, 4,118.49 and 2,536.68 is: 3,813.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.60 : 4,118.49 = 2,536.68 : x
  2. Step 2: Convert to fraction form
    2,739.60/4,118.49 = 2,536.68/x
  3. Step 3: Cross multiply
    2,739.60x = 4,118.49 × 2,536.68
  4. Step 4: Simplify right side
    2,739.60x = 10,447,291.21
  5. Step 5: Solve for x
    x = 10,447,291.21/2,739.60
  6. Step 6: Final answer
    x = 3,813.44

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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.