Home / 3,111.27-4,668.99-1,163.49

Finding the Fourth Proportional to 3,111.27, 4,668.99 and 1,163.49

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Solution

The fourth proportional to 3,111.27, 4,668.99 and 1,163.49 is: 1,746.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.27 : 4,668.99 = 1,163.49 : x
  2. Step 2: Convert to fraction form
    3,111.27/4,668.99 = 1,163.49/x
  3. Step 3: Cross multiply
    3,111.27x = 4,668.99 × 1,163.49
  4. Step 4: Simplify right side
    3,111.27x = 5,432,323.18
  5. Step 5: Solve for x
    x = 5,432,323.18/3,111.27
  6. Step 6: Final answer
    x = 1,746.01

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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.