Home / 3,408.46-5,109.05-1,763.35

Finding the Fourth Proportional to 3,408.46, 5,109.05 and 1,763.35

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Solution

The fourth proportional to 3,408.46, 5,109.05 and 1,763.35 is: 2,643.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.46 : 5,109.05 = 1,763.35 : x
  2. Step 2: Convert to fraction form
    3,408.46/5,109.05 = 1,763.35/x
  3. Step 3: Cross multiply
    3,408.46x = 5,109.05 × 1,763.35
  4. Step 4: Simplify right side
    3,408.46x = 9,009,034.50
  5. Step 5: Solve for x
    x = 9,009,034.50/3,408.46
  6. Step 6: Final answer
    x = 2,643.14

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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.