Home / 3,421.19-4,720.97-2,004.69

Finding the Fourth Proportional to 3,421.19, 4,720.97 and 2,004.69

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Solution

The fourth proportional to 3,421.19, 4,720.97 and 2,004.69 is: 2,766.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.19 : 4,720.97 = 2,004.69 : x
  2. Step 2: Convert to fraction form
    3,421.19/4,720.97 = 2,004.69/x
  3. Step 3: Cross multiply
    3,421.19x = 4,720.97 × 2,004.69
  4. Step 4: Simplify right side
    3,421.19x = 9,464,071.33
  5. Step 5: Solve for x
    x = 9,464,071.33/3,421.19
  6. Step 6: Final answer
    x = 2,766.31

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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.