Home / 3,408.16-5,113.68-2,176.96

Finding the Fourth Proportional to 3,408.16, 5,113.68 and 2,176.96

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Solution

The fourth proportional to 3,408.16, 5,113.68 and 2,176.96 is: 3,266.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.16 : 5,113.68 = 2,176.96 : x
  2. Step 2: Convert to fraction form
    3,408.16/5,113.68 = 2,176.96/x
  3. Step 3: Cross multiply
    3,408.16x = 5,113.68 × 2,176.96
  4. Step 4: Simplify right side
    3,408.16x = 11,132,276.81
  5. Step 5: Solve for x
    x = 11,132,276.81/3,408.16
  6. Step 6: Final answer
    x = 3,266.36

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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.