Home / 3,121.03-4,682.00-1,173.69

Finding the Fourth Proportional to 3,121.03, 4,682.00 and 1,173.69

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Solution

The fourth proportional to 3,121.03, 4,682.00 and 1,173.69 is: 1,760.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121.03 : 4,682.00 = 1,173.69 : x
  2. Step 2: Convert to fraction form
    3,121.03/4,682.00 = 1,173.69/x
  3. Step 3: Cross multiply
    3,121.03x = 4,682.00 × 1,173.69
  4. Step 4: Simplify right side
    3,121.03x = 5,495,219.51
  5. Step 5: Solve for x
    x = 5,495,219.51/3,121.03
  6. Step 6: Final answer
    x = 1,760.71

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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.