Home / 1,161.23-1,733.54-1,120.73

Finding the Fourth Proportional to 1,161.23, 1,733.54 and 1,120.73

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Solution

The fourth proportional to 1,161.23, 1,733.54 and 1,120.73 is: 1,673.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161.23 : 1,733.54 = 1,120.73 : x
  2. Step 2: Convert to fraction form
    1,161.23/1,733.54 = 1,120.73/x
  3. Step 3: Cross multiply
    1,161.23x = 1,733.54 × 1,120.73
  4. Step 4: Simplify right side
    1,161.23x = 1,942,830.28
  5. Step 5: Solve for x
    x = 1,942,830.28/1,161.23
  6. Step 6: Final answer
    x = 1,673.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.