Home / 2,881.19-4,321.94-1,401.77

Finding the Fourth Proportional to 2,881.19, 4,321.94 and 1,401.77

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Solution

The fourth proportional to 2,881.19, 4,321.94 and 1,401.77 is: 2,102.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.19 : 4,321.94 = 1,401.77 : x
  2. Step 2: Convert to fraction form
    2,881.19/4,321.94 = 1,401.77/x
  3. Step 3: Cross multiply
    2,881.19x = 4,321.94 × 1,401.77
  4. Step 4: Simplify right side
    2,881.19x = 6,058,369.63
  5. Step 5: Solve for x
    x = 6,058,369.63/2,881.19
  6. Step 6: Final answer
    x = 2,102.73

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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.