Home / 2,124.11-2,930.60-1,192.43

Finding the Fourth Proportional to 2,124.11, 2,930.60 and 1,192.43

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Solution

The fourth proportional to 2,124.11, 2,930.60 and 1,192.43 is: 1,645.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.11 : 2,930.60 = 1,192.43 : x
  2. Step 2: Convert to fraction form
    2,124.11/2,930.60 = 1,192.43/x
  3. Step 3: Cross multiply
    2,124.11x = 2,930.60 × 1,192.43
  4. Step 4: Simplify right side
    2,124.11x = 3,494,529.40
  5. Step 5: Solve for x
    x = 3,494,529.40/2,124.11
  6. Step 6: Final answer
    x = 1,645.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.