Home / 3,289.85-4,928.26-1,727.51

Finding the Fourth Proportional to 3,289.85, 4,928.26 and 1,727.51

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Solution

The fourth proportional to 3,289.85, 4,928.26 and 1,727.51 is: 2,587.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.85 : 4,928.26 = 1,727.51 : x
  2. Step 2: Convert to fraction form
    3,289.85/4,928.26 = 1,727.51/x
  3. Step 3: Cross multiply
    3,289.85x = 4,928.26 × 1,727.51
  4. Step 4: Simplify right side
    3,289.85x = 8,513,585.15
  5. Step 5: Solve for x
    x = 8,513,585.15/3,289.85
  6. Step 6: Final answer
    x = 2,587.84

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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.