Home / 3,186.60-4,774.74-1,950.26

Finding the Fourth Proportional to 3,186.60, 4,774.74 and 1,950.26

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Solution

The fourth proportional to 3,186.60, 4,774.74 and 1,950.26 is: 2,922.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.60 : 4,774.74 = 1,950.26 : x
  2. Step 2: Convert to fraction form
    3,186.60/4,774.74 = 1,950.26/x
  3. Step 3: Cross multiply
    3,186.60x = 4,774.74 × 1,950.26
  4. Step 4: Simplify right side
    3,186.60x = 9,311,984.43
  5. Step 5: Solve for x
    x = 9,311,984.43/3,186.60
  6. Step 6: Final answer
    x = 2,922.23

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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.