Home / 1,704.83-2,351.87-1,107.28

Finding the Fourth Proportional to 1,704.83, 2,351.87 and 1,107.28

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Solution

The fourth proportional to 1,704.83, 2,351.87 and 1,107.28 is: 1,527.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.83 : 2,351.87 = 1,107.28 : x
  2. Step 2: Convert to fraction form
    1,704.83/2,351.87 = 1,107.28/x
  3. Step 3: Cross multiply
    1,704.83x = 2,351.87 × 1,107.28
  4. Step 4: Simplify right side
    1,704.83x = 2,604,164.26
  5. Step 5: Solve for x
    x = 2,604,164.26/1,704.83
  6. Step 6: Final answer
    x = 1,527.53

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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.