Home / 3,743.60-5,164.26-2,565.80

Finding the Fourth Proportional to 3,743.60, 5,164.26 and 2,565.80

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Solution

The fourth proportional to 3,743.60, 5,164.26 and 2,565.80 is: 3,539.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.60 : 5,164.26 = 2,565.80 : x
  2. Step 2: Convert to fraction form
    3,743.60/5,164.26 = 2,565.80/x
  3. Step 3: Cross multiply
    3,743.60x = 5,164.26 × 2,565.80
  4. Step 4: Simplify right side
    3,743.60x = 13,250,458.31
  5. Step 5: Solve for x
    x = 13,250,458.31/3,743.60
  6. Step 6: Final answer
    x = 3,539.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.