Home / 3,739.79-5,609.96-1,517.56

Finding the Fourth Proportional to 3,739.79, 5,609.96 and 1,517.56

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Solution

The fourth proportional to 3,739.79, 5,609.96 and 1,517.56 is: 2,276.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.79 : 5,609.96 = 1,517.56 : x
  2. Step 2: Convert to fraction form
    3,739.79/5,609.96 = 1,517.56/x
  3. Step 3: Cross multiply
    3,739.79x = 5,609.96 × 1,517.56
  4. Step 4: Simplify right side
    3,739.79x = 8,513,415.26
  5. Step 5: Solve for x
    x = 8,513,415.26/3,739.79
  6. Step 6: Final answer
    x = 2,276.44

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1.5x scale

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.