Home / 2,709.24-4,054.50-1,668.84

Finding the Fourth Proportional to 2,709.24, 4,054.50 and 1,668.84

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Solution

The fourth proportional to 2,709.24, 4,054.50 and 1,668.84 is: 2,497.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.24 : 4,054.50 = 1,668.84 : x
  2. Step 2: Convert to fraction form
    2,709.24/4,054.50 = 1,668.84/x
  3. Step 3: Cross multiply
    2,709.24x = 4,054.50 × 1,668.84
  4. Step 4: Simplify right side
    2,709.24x = 6,766,311.78
  5. Step 5: Solve for x
    x = 6,766,311.78/2,709.24
  6. Step 6: Final answer
    x = 2,497.49

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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.