Home / 3,277.77-4,519.40-2,678.05

Finding the Fourth Proportional to 3,277.77, 4,519.40 and 2,678.05

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Solution

The fourth proportional to 3,277.77, 4,519.40 and 2,678.05 is: 3,692.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.77 : 4,519.40 = 2,678.05 : x
  2. Step 2: Convert to fraction form
    3,277.77/4,519.40 = 2,678.05/x
  3. Step 3: Cross multiply
    3,277.77x = 4,519.40 × 2,678.05
  4. Step 4: Simplify right side
    3,277.77x = 12,103,182.02
  5. Step 5: Solve for x
    x = 12,103,182.02/3,277.77
  6. Step 6: Final answer
    x = 3,692.51

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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.