Home / 1,821.42-2,512.94-1,035.27

Finding the Fourth Proportional to 1,821.42, 2,512.94 and 1,035.27

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Solution

The fourth proportional to 1,821.42, 2,512.94 and 1,035.27 is: 1,428.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821.42 : 2,512.94 = 1,035.27 : x
  2. Step 2: Convert to fraction form
    1,821.42/2,512.94 = 1,035.27/x
  3. Step 3: Cross multiply
    1,821.42x = 2,512.94 × 1,035.27
  4. Step 4: Simplify right side
    1,821.42x = 2,601,566.22
  5. Step 5: Solve for x
    x = 2,601,566.22/1,821.42
  6. Step 6: Final answer
    x = 1,428.32

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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.