Home / 2,321.02-3,481.42-1,396.84

Finding the Fourth Proportional to 2,321.02, 3,481.42 and 1,396.84

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Solution

The fourth proportional to 2,321.02, 3,481.42 and 1,396.84 is: 2,095.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.02 : 3,481.42 = 1,396.84 : x
  2. Step 2: Convert to fraction form
    2,321.02/3,481.42 = 1,396.84/x
  3. Step 3: Cross multiply
    2,321.02x = 3,481.42 × 1,396.84
  4. Step 4: Simplify right side
    2,321.02x = 4,862,986.71
  5. Step 5: Solve for x
    x = 4,862,986.71/2,321.02
  6. Step 6: Final answer
    x = 2,095.19

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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.