Home / 1,190.19-1,788.93-1,164.68

Finding the Fourth Proportional to 1,190.19, 1,788.93 and 1,164.68

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Solution

The fourth proportional to 1,190.19, 1,788.93 and 1,164.68 is: 1,750.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190.19 : 1,788.93 = 1,164.68 : x
  2. Step 2: Convert to fraction form
    1,190.19/1,788.93 = 1,164.68/x
  3. Step 3: Cross multiply
    1,190.19x = 1,788.93 × 1,164.68
  4. Step 4: Simplify right side
    1,190.19x = 2,083,522.05
  5. Step 5: Solve for x
    x = 2,083,522.05/1,190.19
  6. Step 6: Final answer
    x = 1,750.58

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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.