Home / 3,212.81-4,433.60-1,796.45

Finding the Fourth Proportional to 3,212.81, 4,433.60 and 1,796.45

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Solution

The fourth proportional to 3,212.81, 4,433.60 and 1,796.45 is: 2,479.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.81 : 4,433.60 = 1,796.45 : x
  2. Step 2: Convert to fraction form
    3,212.81/4,433.60 = 1,796.45/x
  3. Step 3: Cross multiply
    3,212.81x = 4,433.60 × 1,796.45
  4. Step 4: Simplify right side
    3,212.81x = 7,964,740.72
  5. Step 5: Solve for x
    x = 7,964,740.72/3,212.81
  6. Step 6: Final answer
    x = 2,479.06

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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.