Home / 1,192.95-1,789.41-1,137.57

Finding the Fourth Proportional to 1,192.95, 1,789.41 and 1,137.57

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Solution

The fourth proportional to 1,192.95, 1,789.41 and 1,137.57 is: 1,706.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.95 : 1,789.41 = 1,137.57 : x
  2. Step 2: Convert to fraction form
    1,192.95/1,789.41 = 1,137.57/x
  3. Step 3: Cross multiply
    1,192.95x = 1,789.41 × 1,137.57
  4. Step 4: Simplify right side
    1,192.95x = 2,035,579.13
  5. Step 5: Solve for x
    x = 2,035,579.13/1,192.95
  6. Step 6: Final answer
    x = 1,706.34

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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.