Home / 1,766.09-2,650.73-945.07

Finding the Fourth Proportional to 1,766.09, 2,650.73 and 945.07

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Solution

The fourth proportional to 1,766.09, 2,650.73 and 945.07 is: 1,418.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.09 : 2,650.73 = 945.07 : x
  2. Step 2: Convert to fraction form
    1,766.09/2,650.73 = 945.07/x
  3. Step 3: Cross multiply
    1,766.09x = 2,650.73 × 945.07
  4. Step 4: Simplify right side
    1,766.09x = 2,505,125.40
  5. Step 5: Solve for x
    x = 2,505,125.40/1,766.09
  6. Step 6: Final answer
    x = 1,418.46

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1.5x scale

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.