Home / 3,175.42-4,763.60-984.34

Finding the Fourth Proportional to 3,175.42, 4,763.60 and 984.34

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Solution

The fourth proportional to 3,175.42, 4,763.60 and 984.34 is: 1,476.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.42 : 4,763.60 = 984.34 : x
  2. Step 2: Convert to fraction form
    3,175.42/4,763.60 = 984.34/x
  3. Step 3: Cross multiply
    3,175.42x = 4,763.60 × 984.34
  4. Step 4: Simplify right side
    3,175.42x = 4,689,002.02
  5. Step 5: Solve for x
    x = 4,689,002.02/3,175.42
  6. Step 6: Final answer
    x = 1,476.66

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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.