Home / 3,203.90-4,806.35-1,355.03

Finding the Fourth Proportional to 3,203.90, 4,806.35 and 1,355.03

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Solution

The fourth proportional to 3,203.90, 4,806.35 and 1,355.03 is: 2,032.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.90 : 4,806.35 = 1,355.03 : x
  2. Step 2: Convert to fraction form
    3,203.90/4,806.35 = 1,355.03/x
  3. Step 3: Cross multiply
    3,203.90x = 4,806.35 × 1,355.03
  4. Step 4: Simplify right side
    3,203.90x = 6,512,717.63
  5. Step 5: Solve for x
    x = 6,512,717.63/3,203.90
  6. Step 6: Final answer
    x = 2,032.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.