Home / 2,193.86-3,022.44-1,406.54

Finding the Fourth Proportional to 2,193.86, 3,022.44 and 1,406.54

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Solution

The fourth proportional to 2,193.86, 3,022.44 and 1,406.54 is: 1,937.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.86 : 3,022.44 = 1,406.54 : x
  2. Step 2: Convert to fraction form
    2,193.86/3,022.44 = 1,406.54/x
  3. Step 3: Cross multiply
    2,193.86x = 3,022.44 × 1,406.54
  4. Step 4: Simplify right side
    2,193.86x = 4,251,182.76
  5. Step 5: Solve for x
    x = 4,251,182.76/2,193.86
  6. Step 6: Final answer
    x = 1,937.76

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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.