Home / 3,181.65-4,774.34-1,332.63

Finding the Fourth Proportional to 3,181.65, 4,774.34 and 1,332.63

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Solution

The fourth proportional to 3,181.65, 4,774.34 and 1,332.63 is: 1,999.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.65 : 4,774.34 = 1,332.63 : x
  2. Step 2: Convert to fraction form
    3,181.65/4,774.34 = 1,332.63/x
  3. Step 3: Cross multiply
    3,181.65x = 4,774.34 × 1,332.63
  4. Step 4: Simplify right side
    3,181.65x = 6,362,418.62
  5. Step 5: Solve for x
    x = 6,362,418.62/3,181.65
  6. Step 6: Final answer
    x = 1,999.72

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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.