Home / 3,208.80-4,812.24-1,668.96

Finding the Fourth Proportional to 3,208.80, 4,812.24 and 1,668.96

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Solution

The fourth proportional to 3,208.80, 4,812.24 and 1,668.96 is: 2,502.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.80 : 4,812.24 = 1,668.96 : x
  2. Step 2: Convert to fraction form
    3,208.80/4,812.24 = 1,668.96/x
  3. Step 3: Cross multiply
    3,208.80x = 4,812.24 × 1,668.96
  4. Step 4: Simplify right side
    3,208.80x = 8,031,436.07
  5. Step 5: Solve for x
    x = 8,031,436.07/3,208.80
  6. Step 6: Final answer
    x = 2,502.94

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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.