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Finding the Fourth Proportional to 3,186.84, 4,776.24 and 1,337

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Solution

The fourth proportional to 3,186.84, 4,776.24 and 1,337 is: 2,003.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.84 : 4,776.24 = 1,337 : x
  2. Step 2: Convert to fraction form
    3,186.84/4,776.24 = 1,337/x
  3. Step 3: Cross multiply
    3,186.84x = 4,776.24 × 1,337
  4. Step 4: Simplify right side
    3,186.84x = 6,385,832.88
  5. Step 5: Solve for x
    x = 6,385,832.88/3,186.84
  6. Step 6: Final answer
    x = 2,003.81

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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.