Home / 3,015.05-4,522.98-2,832.80

Finding the Fourth Proportional to 3,015.05, 4,522.98 and 2,832.80

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Solution

The fourth proportional to 3,015.05, 4,522.98 and 2,832.80 is: 4,249.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.05 : 4,522.98 = 2,832.80 : x
  2. Step 2: Convert to fraction form
    3,015.05/4,522.98 = 2,832.80/x
  3. Step 3: Cross multiply
    3,015.05x = 4,522.98 × 2,832.80
  4. Step 4: Simplify right side
    3,015.05x = 12,812,675.13
  5. Step 5: Solve for x
    x = 12,812,675.13/3,015.05
  6. Step 6: Final answer
    x = 4,249.58

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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.