Home / 3,176.61-4,765.21-984.75

Finding the Fourth Proportional to 3,176.61, 4,765.21 and 984.75

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Solution

The fourth proportional to 3,176.61, 4,765.21 and 984.75 is: 1,477.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.61 : 4,765.21 = 984.75 : x
  2. Step 2: Convert to fraction form
    3,176.61/4,765.21 = 984.75/x
  3. Step 3: Cross multiply
    3,176.61x = 4,765.21 × 984.75
  4. Step 4: Simplify right side
    3,176.61x = 4,692,540.55
  5. Step 5: Solve for x
    x = 4,692,540.55/3,176.61
  6. Step 6: Final answer
    x = 1,477.22

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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.