Home / 1,768.43-2,440.73-1,022.26

Finding the Fourth Proportional to 1,768.43, 2,440.73 and 1,022.26

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Solution

The fourth proportional to 1,768.43, 2,440.73 and 1,022.26 is: 1,410.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768.43 : 2,440.73 = 1,022.26 : x
  2. Step 2: Convert to fraction form
    1,768.43/2,440.73 = 1,022.26/x
  3. Step 3: Cross multiply
    1,768.43x = 2,440.73 × 1,022.26
  4. Step 4: Simplify right side
    1,768.43x = 2,495,060.65
  5. Step 5: Solve for x
    x = 2,495,060.65/1,768.43
  6. Step 6: Final answer
    x = 1,410.89

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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.