Home / 2,021.16-3,032.22-1,861.16

Finding the Fourth Proportional to 2,021.16, 3,032.22 and 1,861.16

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Solution

The fourth proportional to 2,021.16, 3,032.22 and 1,861.16 is: 2,792.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.16 : 3,032.22 = 1,861.16 : x
  2. Step 2: Convert to fraction form
    2,021.16/3,032.22 = 1,861.16/x
  3. Step 3: Cross multiply
    2,021.16x = 3,032.22 × 1,861.16
  4. Step 4: Simplify right side
    2,021.16x = 5,643,446.58
  5. Step 5: Solve for x
    x = 5,643,446.58/2,021.16
  6. Step 6: Final answer
    x = 2,792.18

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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.