Home / 3,163.50-4,747.41-1,111.50

Finding the Fourth Proportional to 3,163.50, 4,747.41 and 1,111.50

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Solution

The fourth proportional to 3,163.50, 4,747.41 and 1,111.50 is: 1,668.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.50 : 4,747.41 = 1,111.50 : x
  2. Step 2: Convert to fraction form
    3,163.50/4,747.41 = 1,111.50/x
  3. Step 3: Cross multiply
    3,163.50x = 4,747.41 × 1,111.50
  4. Step 4: Simplify right side
    3,163.50x = 5,276,746.22
  5. Step 5: Solve for x
    x = 5,276,746.22/3,163.50
  6. Step 6: Final answer
    x = 1,668.01

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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.