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Finding the Fourth Proportional to 1,295.37, 1,786.61 and 1,073.94

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Solution

The fourth proportional to 1,295.37, 1,786.61 and 1,073.94 is: 1,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295.37 : 1,786.61 = 1,073.94 : x
  2. Step 2: Convert to fraction form
    1,295.37/1,786.61 = 1,073.94/x
  3. Step 3: Cross multiply
    1,295.37x = 1,786.61 × 1,073.94
  4. Step 4: Simplify right side
    1,295.37x = 1,918,706.57
  5. Step 5: Solve for x
    x = 1,918,706.57/1,295.37
  6. Step 6: Final answer
    x = 1,481.20

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1.5x scale

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.