Home / 2,245.80-3,367.38-946.56

Finding the Fourth Proportional to 2,245.80, 3,367.38 and 946.56

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Solution

The fourth proportional to 2,245.80, 3,367.38 and 946.56 is: 1,419.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.80 : 3,367.38 = 946.56 : x
  2. Step 2: Convert to fraction form
    2,245.80/3,367.38 = 946.56/x
  3. Step 3: Cross multiply
    2,245.80x = 3,367.38 × 946.56
  4. Step 4: Simplify right side
    2,245.80x = 3,187,427.21
  5. Step 5: Solve for x
    x = 3,187,427.21/2,245.80
  6. Step 6: Final answer
    x = 1,419.28

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1.5x scale

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.