Home / 3,180.52-4,769.32-1,231.28

Finding the Fourth Proportional to 3,180.52, 4,769.32 and 1,231.28

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Solution

The fourth proportional to 3,180.52, 4,769.32 and 1,231.28 is: 1,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.52 : 4,769.32 = 1,231.28 : x
  2. Step 2: Convert to fraction form
    3,180.52/4,769.32 = 1,231.28/x
  3. Step 3: Cross multiply
    3,180.52x = 4,769.32 × 1,231.28
  4. Step 4: Simplify right side
    3,180.52x = 5,872,368.33
  5. Step 5: Solve for x
    x = 5,872,368.33/3,180.52
  6. Step 6: Final answer
    x = 1,846.35

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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.