Home / 4,220.96-6,330.92-1,881

Finding the Fourth Proportional to 4,220.96, 6,330.92 and 1,881

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Solution

The fourth proportional to 4,220.96, 6,330.92 and 1,881 is: 2,821.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.96 : 6,330.92 = 1,881 : x
  2. Step 2: Convert to fraction form
    4,220.96/6,330.92 = 1,881/x
  3. Step 3: Cross multiply
    4,220.96x = 6,330.92 × 1,881
  4. Step 4: Simplify right side
    4,220.96x = 11,908,460.52
  5. Step 5: Solve for x
    x = 11,908,460.52/4,220.96
  6. Step 6: Final answer
    x = 2,821.27

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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.