Home / 1,945.20-2,895.82-1,933.68

Finding the Fourth Proportional to 1,945.20, 2,895.82 and 1,933.68

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Solution

The fourth proportional to 1,945.20, 2,895.82 and 1,933.68 is: 2,878.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.20 : 2,895.82 = 1,933.68 : x
  2. Step 2: Convert to fraction form
    1,945.20/2,895.82 = 1,933.68/x
  3. Step 3: Cross multiply
    1,945.20x = 2,895.82 × 1,933.68
  4. Step 4: Simplify right side
    1,945.20x = 5,599,589.22
  5. Step 5: Solve for x
    x = 5,599,589.22/1,945.20
  6. Step 6: Final answer
    x = 2,878.67

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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.