Home / 2,127.62-3,192.11-1,031.84

Finding the Fourth Proportional to 2,127.62, 3,192.11 and 1,031.84

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Solution

The fourth proportional to 2,127.62, 3,192.11 and 1,031.84 is: 1,548.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.62 : 3,192.11 = 1,031.84 : x
  2. Step 2: Convert to fraction form
    2,127.62/3,192.11 = 1,031.84/x
  3. Step 3: Cross multiply
    2,127.62x = 3,192.11 × 1,031.84
  4. Step 4: Simplify right side
    2,127.62x = 3,293,741.50
  5. Step 5: Solve for x
    x = 3,293,741.50/2,127.62
  6. Step 6: Final answer
    x = 1,548.09

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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.