Home / 1,608.28-2,408.34-1,284.28

Finding the Fourth Proportional to 1,608.28, 2,408.34 and 1,284.28

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Solution

The fourth proportional to 1,608.28, 2,408.34 and 1,284.28 is: 1,923.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608.28 : 2,408.34 = 1,284.28 : x
  2. Step 2: Convert to fraction form
    1,608.28/2,408.34 = 1,284.28/x
  3. Step 3: Cross multiply
    1,608.28x = 2,408.34 × 1,284.28
  4. Step 4: Simplify right side
    1,608.28x = 3,092,982.90
  5. Step 5: Solve for x
    x = 3,092,982.90/1,608.28
  6. Step 6: Final answer
    x = 1,923.16

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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.