Home / 1,821.06-2,513.07-1,035.09

Finding the Fourth Proportional to 1,821.06, 2,513.07 and 1,035.09

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Solution

The fourth proportional to 1,821.06, 2,513.07 and 1,035.09 is: 1,428.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821.06 : 2,513.07 = 1,035.09 : x
  2. Step 2: Convert to fraction form
    1,821.06/2,513.07 = 1,035.09/x
  3. Step 3: Cross multiply
    1,821.06x = 2,513.07 × 1,035.09
  4. Step 4: Simplify right side
    1,821.06x = 2,601,253.63
  5. Step 5: Solve for x
    x = 2,601,253.63/1,821.06
  6. Step 6: Final answer
    x = 1,428.43

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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.