Home / 2,945.20-4,063.49-1,765.84

Finding the Fourth Proportional to 2,945.20, 4,063.49 and 1,765.84

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Solution

The fourth proportional to 2,945.20, 4,063.49 and 1,765.84 is: 2,436.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.20 : 4,063.49 = 1,765.84 : x
  2. Step 2: Convert to fraction form
    2,945.20/4,063.49 = 1,765.84/x
  3. Step 3: Cross multiply
    2,945.20x = 4,063.49 × 1,765.84
  4. Step 4: Simplify right side
    2,945.20x = 7,175,473.18
  5. Step 5: Solve for x
    x = 7,175,473.18/2,945.20
  6. Step 6: Final answer
    x = 2,436.33

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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.