Home / 3,420.69-4,720.27-2,004.19

Finding the Fourth Proportional to 3,420.69, 4,720.27 and 2,004.19

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Solution

The fourth proportional to 3,420.69, 4,720.27 and 2,004.19 is: 2,765.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.69 : 4,720.27 = 2,004.19 : x
  2. Step 2: Convert to fraction form
    3,420.69/4,720.27 = 2,004.19/x
  3. Step 3: Cross multiply
    3,420.69x = 4,720.27 × 2,004.19
  4. Step 4: Simplify right side
    3,420.69x = 9,460,317.93
  5. Step 5: Solve for x
    x = 9,460,317.93/3,420.69
  6. Step 6: Final answer
    x = 2,765.62

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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.