Home / 3,383.04-4,668.22-1,891.02

Finding the Fourth Proportional to 3,383.04, 4,668.22 and 1,891.02

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Solution

The fourth proportional to 3,383.04, 4,668.22 and 1,891.02 is: 2,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.04 : 4,668.22 = 1,891.02 : x
  2. Step 2: Convert to fraction form
    3,383.04/4,668.22 = 1,891.02/x
  3. Step 3: Cross multiply
    3,383.04x = 4,668.22 × 1,891.02
  4. Step 4: Simplify right side
    3,383.04x = 8,827,697.38
  5. Step 5: Solve for x
    x = 8,827,697.38/3,383.04
  6. Step 6: Final answer
    x = 2,609.40

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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.