Home / 1,861.26-2,568.44-1,021.82

Finding the Fourth Proportional to 1,861.26, 2,568.44 and 1,021.82

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Solution

The fourth proportional to 1,861.26, 2,568.44 and 1,021.82 is: 1,410.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861.26 : 2,568.44 = 1,021.82 : x
  2. Step 2: Convert to fraction form
    1,861.26/2,568.44 = 1,021.82/x
  3. Step 3: Cross multiply
    1,861.26x = 2,568.44 × 1,021.82
  4. Step 4: Simplify right side
    1,861.26x = 2,624,483.36
  5. Step 5: Solve for x
    x = 2,624,483.36/1,861.26
  6. Step 6: Final answer
    x = 1,410.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.