Home / 3,245.82-4,479.54-2,066.81

Finding the Fourth Proportional to 3,245.82, 4,479.54 and 2,066.81

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Solution

The fourth proportional to 3,245.82, 4,479.54 and 2,066.81 is: 2,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.82 : 4,479.54 = 2,066.81 : x
  2. Step 2: Convert to fraction form
    3,245.82/4,479.54 = 2,066.81/x
  3. Step 3: Cross multiply
    3,245.82x = 4,479.54 × 2,066.81
  4. Step 4: Simplify right side
    3,245.82x = 9,258,369.27
  5. Step 5: Solve for x
    x = 9,258,369.27/3,245.82
  6. Step 6: Final answer
    x = 2,852.40

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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.