Home / 1,591.11-2,380.46-1,406.43

Finding the Fourth Proportional to 1,591.11, 2,380.46 and 1,406.43

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Solution

The fourth proportional to 1,591.11, 2,380.46 and 1,406.43 is: 2,104.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591.11 : 2,380.46 = 1,406.43 : x
  2. Step 2: Convert to fraction form
    1,591.11/2,380.46 = 1,406.43/x
  3. Step 3: Cross multiply
    1,591.11x = 2,380.46 × 1,406.43
  4. Step 4: Simplify right side
    1,591.11x = 3,347,943.33
  5. Step 5: Solve for x
    x = 3,347,943.33/1,591.11
  6. Step 6: Final answer
    x = 2,104.16

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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.