Home / 3,408.36-5,107.80-1,554.84

Finding the Fourth Proportional to 3,408.36, 5,107.80 and 1,554.84

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Solution

The fourth proportional to 3,408.36, 5,107.80 and 1,554.84 is: 2,330.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.36 : 5,107.80 = 1,554.84 : x
  2. Step 2: Convert to fraction form
    3,408.36/5,107.80 = 1,554.84/x
  3. Step 3: Cross multiply
    3,408.36x = 5,107.80 × 1,554.84
  4. Step 4: Simplify right side
    3,408.36x = 7,941,811.75
  5. Step 5: Solve for x
    x = 7,941,811.75/3,408.36
  6. Step 6: Final answer
    x = 2,330.10

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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.