Home / 3,881.01-5,821.62-1,417.67

Finding the Fourth Proportional to 3,881.01, 5,821.62 and 1,417.67

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Solution

The fourth proportional to 3,881.01, 5,821.62 and 1,417.67 is: 2,126.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.01 : 5,821.62 = 1,417.67 : x
  2. Step 2: Convert to fraction form
    3,881.01/5,821.62 = 1,417.67/x
  3. Step 3: Cross multiply
    3,881.01x = 5,821.62 × 1,417.67
  4. Step 4: Simplify right side
    3,881.01x = 8,253,106.92
  5. Step 5: Solve for x
    x = 8,253,106.92/3,881.01
  6. Step 6: Final answer
    x = 2,126.54

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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.