Home / 4,178.08-5,763.84-2,936.80

Finding the Fourth Proportional to 4,178.08, 5,763.84 and 2,936.80

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Solution

The fourth proportional to 4,178.08, 5,763.84 and 2,936.80 is: 4,051.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.08 : 5,763.84 = 2,936.80 : x
  2. Step 2: Convert to fraction form
    4,178.08/5,763.84 = 2,936.80/x
  3. Step 3: Cross multiply
    4,178.08x = 5,763.84 × 2,936.80
  4. Step 4: Simplify right side
    4,178.08x = 16,927,245.31
  5. Step 5: Solve for x
    x = 16,927,245.31/4,178.08
  6. Step 6: Final answer
    x = 4,051.44

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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.