Home / 1,945.25-2,684.96-1,106.45

Finding the Fourth Proportional to 1,945.25, 2,684.96 and 1,106.45

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Solution

The fourth proportional to 1,945.25, 2,684.96 and 1,106.45 is: 1,527.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.25 : 2,684.96 = 1,106.45 : x
  2. Step 2: Convert to fraction form
    1,945.25/2,684.96 = 1,106.45/x
  3. Step 3: Cross multiply
    1,945.25x = 2,684.96 × 1,106.45
  4. Step 4: Simplify right side
    1,945.25x = 2,970,773.99
  5. Step 5: Solve for x
    x = 2,970,773.99/1,945.25
  6. Step 6: Final answer
    x = 1,527.19

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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.