Home / 2,729.10-3,766.04-1,668.63

Finding the Fourth Proportional to 2,729.10, 3,766.04 and 1,668.63

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Solution

The fourth proportional to 2,729.10, 3,766.04 and 1,668.63 is: 2,302.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.10 : 3,766.04 = 1,668.63 : x
  2. Step 2: Convert to fraction form
    2,729.10/3,766.04 = 1,668.63/x
  3. Step 3: Cross multiply
    2,729.10x = 3,766.04 × 1,668.63
  4. Step 4: Simplify right side
    2,729.10x = 6,284,148.75
  5. Step 5: Solve for x
    x = 6,284,148.75/2,729.10
  6. Step 6: Final answer
    x = 2,302.64

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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.