Home / 3,419.73-4,720.40-2,003.86

Finding the Fourth Proportional to 3,419.73, 4,720.40 and 2,003.86

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Solution

The fourth proportional to 3,419.73, 4,720.40 and 2,003.86 is: 2,766.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.73 : 4,720.40 = 2,003.86 : x
  2. Step 2: Convert to fraction form
    3,419.73/4,720.40 = 2,003.86/x
  3. Step 3: Cross multiply
    3,419.73x = 4,720.40 × 2,003.86
  4. Step 4: Simplify right side
    3,419.73x = 9,459,020.74
  5. Step 5: Solve for x
    x = 9,459,020.74/3,419.73
  6. Step 6: Final answer
    x = 2,766.01

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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.