Home / 2,813.63-4,202.89-2,084.63

Finding the Fourth Proportional to 2,813.63, 4,202.89 and 2,084.63

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Solution

The fourth proportional to 2,813.63, 4,202.89 and 2,084.63 is: 3,113.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.63 : 4,202.89 = 2,084.63 : x
  2. Step 2: Convert to fraction form
    2,813.63/4,202.89 = 2,084.63/x
  3. Step 3: Cross multiply
    2,813.63x = 4,202.89 × 2,084.63
  4. Step 4: Simplify right side
    2,813.63x = 8,761,449.57
  5. Step 5: Solve for x
    x = 8,761,449.57/2,813.63
  6. Step 6: Final answer
    x = 3,113.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.