Home / 1,945.49-2,684.84-1,106.33

Finding the Fourth Proportional to 1,945.49, 2,684.84 and 1,106.33

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Solution

The fourth proportional to 1,945.49, 2,684.84 and 1,106.33 is: 1,526.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.49 : 2,684.84 = 1,106.33 : x
  2. Step 2: Convert to fraction form
    1,945.49/2,684.84 = 1,106.33/x
  3. Step 3: Cross multiply
    1,945.49x = 2,684.84 × 1,106.33
  4. Step 4: Simplify right side
    1,945.49x = 2,970,313.51
  5. Step 5: Solve for x
    x = 2,970,313.51/1,945.49
  6. Step 6: Final answer
    x = 1,526.77

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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.