Home / 2,784.87-4,193.68-2,010.30

Finding the Fourth Proportional to 2,784.87, 4,193.68 and 2,010.30

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Solution

The fourth proportional to 2,784.87, 4,193.68 and 2,010.30 is: 3,027.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.87 : 4,193.68 = 2,010.30 : x
  2. Step 2: Convert to fraction form
    2,784.87/4,193.68 = 2,010.30/x
  3. Step 3: Cross multiply
    2,784.87x = 4,193.68 × 2,010.30
  4. Step 4: Simplify right side
    2,784.87x = 8,430,544.85
  5. Step 5: Solve for x
    x = 8,430,544.85/2,784.87
  6. Step 6: Final answer
    x = 3,027.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.