Home / 1,786.44-2,465.60-1,123.66

Finding the Fourth Proportional to 1,786.44, 2,465.60 and 1,123.66

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Solution

The fourth proportional to 1,786.44, 2,465.60 and 1,123.66 is: 1,550.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.44 : 2,465.60 = 1,123.66 : x
  2. Step 2: Convert to fraction form
    1,786.44/2,465.60 = 1,123.66/x
  3. Step 3: Cross multiply
    1,786.44x = 2,465.60 × 1,123.66
  4. Step 4: Simplify right side
    1,786.44x = 2,770,496.10
  5. Step 5: Solve for x
    x = 2,770,496.10/1,786.44
  6. Step 6: Final answer
    x = 1,550.85

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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.