Home / 2,539.36-3,805.60-1,613.44

Finding the Fourth Proportional to 2,539.36, 3,805.60 and 1,613.44

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Solution

The fourth proportional to 2,539.36, 3,805.60 and 1,613.44 is: 2,417.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.36 : 3,805.60 = 1,613.44 : x
  2. Step 2: Convert to fraction form
    2,539.36/3,805.60 = 1,613.44/x
  3. Step 3: Cross multiply
    2,539.36x = 3,805.60 × 1,613.44
  4. Step 4: Simplify right side
    2,539.36x = 6,140,107.26
  5. Step 5: Solve for x
    x = 6,140,107.26/2,539.36
  6. Step 6: Final answer
    x = 2,417.97

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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.