Home / 2,938.06-4,401.21-1,767.41

Finding the Fourth Proportional to 2,938.06, 4,401.21 and 1,767.41

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Solution

The fourth proportional to 2,938.06, 4,401.21 and 1,767.41 is: 2,647.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.06 : 4,401.21 = 1,767.41 : x
  2. Step 2: Convert to fraction form
    2,938.06/4,401.21 = 1,767.41/x
  3. Step 3: Cross multiply
    2,938.06x = 4,401.21 × 1,767.41
  4. Step 4: Simplify right side
    2,938.06x = 7,778,733.73
  5. Step 5: Solve for x
    x = 7,778,733.73/2,938.06
  6. Step 6: Final answer
    x = 2,647.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.