Home / 3,213.83-4,435.15-1,954.94

Finding the Fourth Proportional to 3,213.83, 4,435.15 and 1,954.94

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Solution

The fourth proportional to 3,213.83, 4,435.15 and 1,954.94 is: 2,697.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.83 : 4,435.15 = 1,954.94 : x
  2. Step 2: Convert to fraction form
    3,213.83/4,435.15 = 1,954.94/x
  3. Step 3: Cross multiply
    3,213.83x = 4,435.15 × 1,954.94
  4. Step 4: Simplify right side
    3,213.83x = 8,670,441.71
  5. Step 5: Solve for x
    x = 8,670,441.71/3,213.83
  6. Step 6: Final answer
    x = 2,697.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.