Home / 2,321.03-3,494.19-2,116.91

Finding the Fourth Proportional to 2,321.03, 3,494.19 and 2,116.91

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Solution

The fourth proportional to 2,321.03, 3,494.19 and 2,116.91 is: 3,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.03 : 3,494.19 = 2,116.91 : x
  2. Step 2: Convert to fraction form
    2,321.03/3,494.19 = 2,116.91/x
  3. Step 3: Cross multiply
    2,321.03x = 3,494.19 × 2,116.91
  4. Step 4: Simplify right side
    2,321.03x = 7,396,868.28
  5. Step 5: Solve for x
    x = 7,396,868.28/2,321.03
  6. Step 6: Final answer
    x = 3,186.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.