Home / 3,834.60-5,751.90-2,668.20

Finding the Fourth Proportional to 3,834.60, 5,751.90 and 2,668.20

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Solution

The fourth proportional to 3,834.60, 5,751.90 and 2,668.20 is: 4,002.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.60 : 5,751.90 = 2,668.20 : x
  2. Step 2: Convert to fraction form
    3,834.60/5,751.90 = 2,668.20/x
  3. Step 3: Cross multiply
    3,834.60x = 5,751.90 × 2,668.20
  4. Step 4: Simplify right side
    3,834.60x = 15,347,219.58
  5. Step 5: Solve for x
    x = 15,347,219.58/3,834.60
  6. Step 6: Final answer
    x = 4,002.30

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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.