Home / 2,938.47-4,054.82-1,679.27

Finding the Fourth Proportional to 2,938.47, 4,054.82 and 1,679.27

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Solution

The fourth proportional to 2,938.47, 4,054.82 and 1,679.27 is: 2,317.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.47 : 4,054.82 = 1,679.27 : x
  2. Step 2: Convert to fraction form
    2,938.47/4,054.82 = 1,679.27/x
  3. Step 3: Cross multiply
    2,938.47x = 4,054.82 × 1,679.27
  4. Step 4: Simplify right side
    2,938.47x = 6,809,137.58
  5. Step 5: Solve for x
    x = 6,809,137.58/2,938.47
  6. Step 6: Final answer
    x = 2,317.24

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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.