Home / 1,790.69-2,469.60-1,160.99

Finding the Fourth Proportional to 1,790.69, 2,469.60 and 1,160.99

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Solution

The fourth proportional to 1,790.69, 2,469.60 and 1,160.99 is: 1,601.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.69 : 2,469.60 = 1,160.99 : x
  2. Step 2: Convert to fraction form
    1,790.69/2,469.60 = 1,160.99/x
  3. Step 3: Cross multiply
    1,790.69x = 2,469.60 × 1,160.99
  4. Step 4: Simplify right side
    1,790.69x = 2,867,181.19
  5. Step 5: Solve for x
    x = 2,867,181.19/1,790.69
  6. Step 6: Final answer
    x = 1,601.16

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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.