Home / 1,174.26-1,617.66-1,090.02

Finding the Fourth Proportional to 1,174.26, 1,617.66 and 1,090.02

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Solution

The fourth proportional to 1,174.26, 1,617.66 and 1,090.02 is: 1,501.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174.26 : 1,617.66 = 1,090.02 : x
  2. Step 2: Convert to fraction form
    1,174.26/1,617.66 = 1,090.02/x
  3. Step 3: Cross multiply
    1,174.26x = 1,617.66 × 1,090.02
  4. Step 4: Simplify right side
    1,174.26x = 1,763,281.75
  5. Step 5: Solve for x
    x = 1,763,281.75/1,174.26
  6. Step 6: Final answer
    x = 1,501.61

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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.