Home / 1,699.26-2,343.11-1,174.38

Finding the Fourth Proportional to 1,699.26, 2,343.11 and 1,174.38

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Solution

The fourth proportional to 1,699.26, 2,343.11 and 1,174.38 is: 1,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699.26 : 2,343.11 = 1,174.38 : x
  2. Step 2: Convert to fraction form
    1,699.26/2,343.11 = 1,174.38/x
  3. Step 3: Cross multiply
    1,699.26x = 2,343.11 × 1,174.38
  4. Step 4: Simplify right side
    1,699.26x = 2,751,695.65
  5. Step 5: Solve for x
    x = 2,751,695.65/1,699.26
  6. Step 6: Final answer
    x = 1,619.35

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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.