Home / 2,880.50-4,312.44-2,183.09

Finding the Fourth Proportional to 2,880.50, 4,312.44 and 2,183.09

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Solution

The fourth proportional to 2,880.50, 4,312.44 and 2,183.09 is: 3,268.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.50 : 4,312.44 = 2,183.09 : x
  2. Step 2: Convert to fraction form
    2,880.50/4,312.44 = 2,183.09/x
  3. Step 3: Cross multiply
    2,880.50x = 4,312.44 × 2,183.09
  4. Step 4: Simplify right side
    2,880.50x = 9,414,423.08
  5. Step 5: Solve for x
    x = 9,414,423.08/2,880.50
  6. Step 6: Final answer
    x = 3,268.34

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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.