Home / 3,771.09-5,656.73-1,305.59

Finding the Fourth Proportional to 3,771.09, 5,656.73 and 1,305.59

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Solution

The fourth proportional to 3,771.09, 5,656.73 and 1,305.59 is: 1,958.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.09 : 5,656.73 = 1,305.59 : x
  2. Step 2: Convert to fraction form
    3,771.09/5,656.73 = 1,305.59/x
  3. Step 3: Cross multiply
    3,771.09x = 5,656.73 × 1,305.59
  4. Step 4: Simplify right side
    3,771.09x = 7,385,335.31
  5. Step 5: Solve for x
    x = 7,385,335.31/3,771.09
  6. Step 6: Final answer
    x = 1,958.41

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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.