Home / 2,823.93-3,897.68-1,879.77

Finding the Fourth Proportional to 2,823.93, 3,897.68 and 1,879.77

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Solution

The fourth proportional to 2,823.93, 3,897.68 and 1,879.77 is: 2,594.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.93 : 3,897.68 = 1,879.77 : x
  2. Step 2: Convert to fraction form
    2,823.93/3,897.68 = 1,879.77/x
  3. Step 3: Cross multiply
    2,823.93x = 3,897.68 × 1,879.77
  4. Step 4: Simplify right side
    2,823.93x = 7,326,741.93
  5. Step 5: Solve for x
    x = 7,326,741.93/2,823.93
  6. Step 6: Final answer
    x = 2,594.52

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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.