Home / 3,408.68-5,112.84-943.58

Finding the Fourth Proportional to 3,408.68, 5,112.84 and 943.58

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Solution

The fourth proportional to 3,408.68, 5,112.84 and 943.58 is: 1,415.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.68 : 5,112.84 = 943.58 : x
  2. Step 2: Convert to fraction form
    3,408.68/5,112.84 = 943.58/x
  3. Step 3: Cross multiply
    3,408.68x = 5,112.84 × 943.58
  4. Step 4: Simplify right side
    3,408.68x = 4,824,373.57
  5. Step 5: Solve for x
    x = 4,824,373.57/3,408.68
  6. Step 6: Final answer
    x = 1,415.32

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1.5x scale

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.