Home / 3,184.67-4,777.39-844.72

Finding the Fourth Proportional to 3,184.67, 4,777.39 and 844.72

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Solution

The fourth proportional to 3,184.67, 4,777.39 and 844.72 is: 1,267.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.67 : 4,777.39 = 844.72 : x
  2. Step 2: Convert to fraction form
    3,184.67/4,777.39 = 844.72/x
  3. Step 3: Cross multiply
    3,184.67x = 4,777.39 × 844.72
  4. Step 4: Simplify right side
    3,184.67x = 4,035,556.88
  5. Step 5: Solve for x
    x = 4,035,556.88/3,184.67
  6. Step 6: Final answer
    x = 1,267.18

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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.