Home / 3,955.75-5,931.73-1,181.45

Finding the Fourth Proportional to 3,955.75, 5,931.73 and 1,181.45

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Solution

The fourth proportional to 3,955.75, 5,931.73 and 1,181.45 is: 1,771.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.75 : 5,931.73 = 1,181.45 : x
  2. Step 2: Convert to fraction form
    3,955.75/5,931.73 = 1,181.45/x
  3. Step 3: Cross multiply
    3,955.75x = 5,931.73 × 1,181.45
  4. Step 4: Simplify right side
    3,955.75x = 7,008,042.41
  5. Step 5: Solve for x
    x = 7,008,042.41/3,955.75
  6. Step 6: Final answer
    x = 1,771.61

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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.