Home / 1,165.04-1,747.44-395.60

Finding the Fourth Proportional to 1,165.04, 1,747.44 and 395.60

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Solution

The fourth proportional to 1,165.04, 1,747.44 and 395.60 is: 593.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165.04 : 1,747.44 = 395.60 : x
  2. Step 2: Convert to fraction form
    1,165.04/1,747.44 = 395.60/x
  3. Step 3: Cross multiply
    1,165.04x = 1,747.44 × 395.60
  4. Step 4: Simplify right side
    1,165.04x = 691,287.26
  5. Step 5: Solve for x
    x = 691,287.26/1,165.04
  6. Step 6: Final answer
    x = 593.36

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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.