Home / 3,245.81-4,864.68-1,684.89

Finding the Fourth Proportional to 3,245.81, 4,864.68 and 1,684.89

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Solution

The fourth proportional to 3,245.81, 4,864.68 and 1,684.89 is: 2,525.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.81 : 4,864.68 = 1,684.89 : x
  2. Step 2: Convert to fraction form
    3,245.81/4,864.68 = 1,684.89/x
  3. Step 3: Cross multiply
    3,245.81x = 4,864.68 × 1,684.89
  4. Step 4: Simplify right side
    3,245.81x = 8,196,450.69
  5. Step 5: Solve for x
    x = 8,196,450.69/3,245.81
  6. Step 6: Final answer
    x = 2,525.24

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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.