Home / 3,177.77-4,764.90-2,178.27

Finding the Fourth Proportional to 3,177.77, 4,764.90 and 2,178.27

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Solution

The fourth proportional to 3,177.77, 4,764.90 and 2,178.27 is: 3,266.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.77 : 4,764.90 = 2,178.27 : x
  2. Step 2: Convert to fraction form
    3,177.77/4,764.90 = 2,178.27/x
  3. Step 3: Cross multiply
    3,177.77x = 4,764.90 × 2,178.27
  4. Step 4: Simplify right side
    3,177.77x = 10,379,238.72
  5. Step 5: Solve for x
    x = 10,379,238.72/3,177.77
  6. Step 6: Final answer
    x = 3,266.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.