Home / 3,775.86-5,664.36-1,179

Finding the Fourth Proportional to 3,775.86, 5,664.36 and 1,179

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Solution

The fourth proportional to 3,775.86, 5,664.36 and 1,179 is: 1,768.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.86 : 5,664.36 = 1,179 : x
  2. Step 2: Convert to fraction form
    3,775.86/5,664.36 = 1,179/x
  3. Step 3: Cross multiply
    3,775.86x = 5,664.36 × 1,179
  4. Step 4: Simplify right side
    3,775.86x = 6,678,280.44
  5. Step 5: Solve for x
    x = 6,678,280.44/3,775.86
  6. Step 6: Final answer
    x = 1,768.68

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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.