Home / 1,698.97-2,343.85-1,174.09

Finding the Fourth Proportional to 1,698.97, 2,343.85 and 1,174.09

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Solution

The fourth proportional to 1,698.97, 2,343.85 and 1,174.09 is: 1,619.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698.97 : 2,343.85 = 1,174.09 : x
  2. Step 2: Convert to fraction form
    1,698.97/2,343.85 = 1,174.09/x
  3. Step 3: Cross multiply
    1,698.97x = 2,343.85 × 1,174.09
  4. Step 4: Simplify right side
    1,698.97x = 2,751,890.85
  5. Step 5: Solve for x
    x = 2,751,890.85/1,698.97
  6. Step 6: Final answer
    x = 1,619.74

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1.5x scale

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.