Home / 1,955.42-2,933.12-1,185.74

Finding the Fourth Proportional to 1,955.42, 2,933.12 and 1,185.74

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Solution

The fourth proportional to 1,955.42, 2,933.12 and 1,185.74 is: 1,778.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.42 : 2,933.12 = 1,185.74 : x
  2. Step 2: Convert to fraction form
    1,955.42/2,933.12 = 1,185.74/x
  3. Step 3: Cross multiply
    1,955.42x = 2,933.12 × 1,185.74
  4. Step 4: Simplify right side
    1,955.42x = 3,477,906.01
  5. Step 5: Solve for x
    x = 3,477,906.01/1,955.42
  6. Step 6: Final answer
    x = 1,778.60

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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.