Home / 1,940.75-2,677.77-1,133.08

Finding the Fourth Proportional to 1,940.75, 2,677.77 and 1,133.08

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Solution

The fourth proportional to 1,940.75, 2,677.77 and 1,133.08 is: 1,563.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.75 : 2,677.77 = 1,133.08 : x
  2. Step 2: Convert to fraction form
    1,940.75/2,677.77 = 1,133.08/x
  3. Step 3: Cross multiply
    1,940.75x = 2,677.77 × 1,133.08
  4. Step 4: Simplify right side
    1,940.75x = 3,034,118.76
  5. Step 5: Solve for x
    x = 3,034,118.76/1,940.75
  6. Step 6: Final answer
    x = 1,563.38

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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.