Home / 3,622.44-5,420.70-3,137.16

Finding the Fourth Proportional to 3,622.44, 5,420.70 and 3,137.16

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Solution

The fourth proportional to 3,622.44, 5,420.70 and 3,137.16 is: 4,694.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.44 : 5,420.70 = 3,137.16 : x
  2. Step 2: Convert to fraction form
    3,622.44/5,420.70 = 3,137.16/x
  3. Step 3: Cross multiply
    3,622.44x = 5,420.70 × 3,137.16
  4. Step 4: Simplify right side
    3,622.44x = 17,005,603.21
  5. Step 5: Solve for x
    x = 17,005,603.21/3,622.44
  6. Step 6: Final answer
    x = 4,694.52

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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.