Home / 2,813.03-4,219.70-2,439.72

Finding the Fourth Proportional to 2,813.03, 4,219.70 and 2,439.72

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Solution

The fourth proportional to 2,813.03, 4,219.70 and 2,439.72 is: 3,659.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.03 : 4,219.70 = 2,439.72 : x
  2. Step 2: Convert to fraction form
    2,813.03/4,219.70 = 2,439.72/x
  3. Step 3: Cross multiply
    2,813.03x = 4,219.70 × 2,439.72
  4. Step 4: Simplify right side
    2,813.03x = 10,294,874.29
  5. Step 5: Solve for x
    x = 10,294,874.29/2,813.03
  6. Step 6: Final answer
    x = 3,659.71

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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.