Home / 3,011.36-4,511.44-1,622.72

Finding the Fourth Proportional to 3,011.36, 4,511.44 and 1,622.72

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Solution

The fourth proportional to 3,011.36, 4,511.44 and 1,622.72 is: 2,431.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.36 : 4,511.44 = 1,622.72 : x
  2. Step 2: Convert to fraction form
    3,011.36/4,511.44 = 1,622.72/x
  3. Step 3: Cross multiply
    3,011.36x = 4,511.44 × 1,622.72
  4. Step 4: Simplify right side
    3,011.36x = 7,320,803.92
  5. Step 5: Solve for x
    x = 7,320,803.92/3,011.36
  6. Step 6: Final answer
    x = 2,431.06

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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.