Home / 2,978.57-4,110.32-1,799.43

Finding the Fourth Proportional to 2,978.57, 4,110.32 and 1,799.43

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Solution

The fourth proportional to 2,978.57, 4,110.32 and 1,799.43 is: 2,483.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978.57 : 4,110.32 = 1,799.43 : x
  2. Step 2: Convert to fraction form
    2,978.57/4,110.32 = 1,799.43/x
  3. Step 3: Cross multiply
    2,978.57x = 4,110.32 × 1,799.43
  4. Step 4: Simplify right side
    2,978.57x = 7,396,237.62
  5. Step 5: Solve for x
    x = 7,396,237.62/2,978.57
  6. Step 6: Final answer
    x = 2,483.15

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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.