Home / 3,419.86-4,720.58-2,004

Finding the Fourth Proportional to 3,419.86, 4,720.58 and 2,004

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Solution

The fourth proportional to 3,419.86, 4,720.58 and 2,004 is: 2,766.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.86 : 4,720.58 = 2,004 : x
  2. Step 2: Convert to fraction form
    3,419.86/4,720.58 = 2,004/x
  3. Step 3: Cross multiply
    3,419.86x = 4,720.58 × 2,004
  4. Step 4: Simplify right side
    3,419.86x = 9,460,042.32
  5. Step 5: Solve for x
    x = 9,460,042.32/3,419.86
  6. Step 6: Final answer
    x = 2,766.21

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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.