Home / 1,628.24-2,443.73-704.49

Finding the Fourth Proportional to 1,628.24, 2,443.73 and 704.49

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Solution

The fourth proportional to 1,628.24, 2,443.73 and 704.49 is: 1,057.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.24 : 2,443.73 = 704.49 : x
  2. Step 2: Convert to fraction form
    1,628.24/2,443.73 = 704.49/x
  3. Step 3: Cross multiply
    1,628.24x = 2,443.73 × 704.49
  4. Step 4: Simplify right side
    1,628.24x = 1,721,583.35
  5. Step 5: Solve for x
    x = 1,721,583.35/1,628.24
  6. Step 6: Final answer
    x = 1,057.33

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1.5x scale

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.