Home / 3,408.14-5,137.29-3,127.28

Finding the Fourth Proportional to 3,408.14, 5,137.29 and 3,127.28

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Solution

The fourth proportional to 3,408.14, 5,137.29 and 3,127.28 is: 4,713.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.14 : 5,137.29 = 3,127.28 : x
  2. Step 2: Convert to fraction form
    3,408.14/5,137.29 = 3,127.28/x
  3. Step 3: Cross multiply
    3,408.14x = 5,137.29 × 3,127.28
  4. Step 4: Simplify right side
    3,408.14x = 16,065,718.58
  5. Step 5: Solve for x
    x = 16,065,718.58/3,408.14
  6. Step 6: Final answer
    x = 4,713.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.