Home / 2,739.40-4,109.10-2,566.60

Finding the Fourth Proportional to 2,739.40, 4,109.10 and 2,566.60

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Solution

The fourth proportional to 2,739.40, 4,109.10 and 2,566.60 is: 3,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.40 : 4,109.10 = 2,566.60 : x
  2. Step 2: Convert to fraction form
    2,739.40/4,109.10 = 2,566.60/x
  3. Step 3: Cross multiply
    2,739.40x = 4,109.10 × 2,566.60
  4. Step 4: Simplify right side
    2,739.40x = 10,546,416.06
  5. Step 5: Solve for x
    x = 10,546,416.06/2,739.40
  6. Step 6: Final answer
    x = 3,849.90

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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.