Home / 3,246.96-4,876.31-2,986.49

Finding the Fourth Proportional to 3,246.96, 4,876.31 and 2,986.49

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Solution

The fourth proportional to 3,246.96, 4,876.31 and 2,986.49 is: 4,485.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.96 : 4,876.31 = 2,986.49 : x
  2. Step 2: Convert to fraction form
    3,246.96/4,876.31 = 2,986.49/x
  3. Step 3: Cross multiply
    3,246.96x = 4,876.31 × 2,986.49
  4. Step 4: Simplify right side
    3,246.96x = 14,563,011.74
  5. Step 5: Solve for x
    x = 14,563,011.74/3,246.96
  6. Step 6: Final answer
    x = 4,485.12

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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.