Home / 3,078.14-4,633.85-2,810.30

Finding the Fourth Proportional to 3,078.14, 4,633.85 and 2,810.30

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Solution

The fourth proportional to 3,078.14, 4,633.85 and 2,810.30 is: 4,230.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.14 : 4,633.85 = 2,810.30 : x
  2. Step 2: Convert to fraction form
    3,078.14/4,633.85 = 2,810.30/x
  3. Step 3: Cross multiply
    3,078.14x = 4,633.85 × 2,810.30
  4. Step 4: Simplify right side
    3,078.14x = 13,022,508.66
  5. Step 5: Solve for x
    x = 13,022,508.66/3,078.14
  6. Step 6: Final answer
    x = 4,230.64

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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.