Home / 2,933.78-4,400.19-1,085.77

Finding the Fourth Proportional to 2,933.78, 4,400.19 and 1,085.77

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Solution

The fourth proportional to 2,933.78, 4,400.19 and 1,085.77 is: 1,628.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.78 : 4,400.19 = 1,085.77 : x
  2. Step 2: Convert to fraction form
    2,933.78/4,400.19 = 1,085.77/x
  3. Step 3: Cross multiply
    2,933.78x = 4,400.19 × 1,085.77
  4. Step 4: Simplify right side
    2,933.78x = 4,777,594.30
  5. Step 5: Solve for x
    x = 4,777,594.30/2,933.78
  6. Step 6: Final answer
    x = 1,628.48

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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.