Home / 2,975.86-4,466.79-2,631.46

Finding the Fourth Proportional to 2,975.86, 4,466.79 and 2,631.46

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Solution

The fourth proportional to 2,975.86, 4,466.79 and 2,631.46 is: 3,949.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.86 : 4,466.79 = 2,631.46 : x
  2. Step 2: Convert to fraction form
    2,975.86/4,466.79 = 2,631.46/x
  3. Step 3: Cross multiply
    2,975.86x = 4,466.79 × 2,631.46
  4. Step 4: Simplify right side
    2,975.86x = 11,754,179.21
  5. Step 5: Solve for x
    x = 11,754,179.21/2,975.86
  6. Step 6: Final answer
    x = 3,949.84

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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.