Home / 3,513.14-4,847.84-2,020.77

Finding the Fourth Proportional to 3,513.14, 4,847.84 and 2,020.77

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Solution

The fourth proportional to 3,513.14, 4,847.84 and 2,020.77 is: 2,788.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.14 : 4,847.84 = 2,020.77 : x
  2. Step 2: Convert to fraction form
    3,513.14/4,847.84 = 2,020.77/x
  3. Step 3: Cross multiply
    3,513.14x = 4,847.84 × 2,020.77
  4. Step 4: Simplify right side
    3,513.14x = 9,796,369.64
  5. Step 5: Solve for x
    x = 9,796,369.64/3,513.14
  6. Step 6: Final answer
    x = 2,788.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.