Home / 2,938.12-4,424.77-2,675.68

Finding the Fourth Proportional to 2,938.12, 4,424.77 and 2,675.68

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Solution

The fourth proportional to 2,938.12, 4,424.77 and 2,675.68 is: 4,029.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.12 : 4,424.77 = 2,675.68 : x
  2. Step 2: Convert to fraction form
    2,938.12/4,424.77 = 2,675.68/x
  3. Step 3: Cross multiply
    2,938.12x = 4,424.77 × 2,675.68
  4. Step 4: Simplify right side
    2,938.12x = 11,839,233.09
  5. Step 5: Solve for x
    x = 11,839,233.09/2,938.12
  6. Step 6: Final answer
    x = 4,029.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.