Home / 3,604.72-5,415.24-3,112.64

Finding the Fourth Proportional to 3,604.72, 5,415.24 and 3,112.64

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Solution

The fourth proportional to 3,604.72, 5,415.24 and 3,112.64 is: 4,676.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.72 : 5,415.24 = 3,112.64 : x
  2. Step 2: Convert to fraction form
    3,604.72/5,415.24 = 3,112.64/x
  3. Step 3: Cross multiply
    3,604.72x = 5,415.24 × 3,112.64
  4. Step 4: Simplify right side
    3,604.72x = 16,855,692.63
  5. Step 5: Solve for x
    x = 16,855,692.63/3,604.72
  6. Step 6: Final answer
    x = 4,676.01

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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.