Home / 3,327.90-4,991.99-1,247.36

Finding the Fourth Proportional to 3,327.90, 4,991.99 and 1,247.36

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Solution

The fourth proportional to 3,327.90, 4,991.99 and 1,247.36 is: 1,871.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.90 : 4,991.99 = 1,247.36 : x
  2. Step 2: Convert to fraction form
    3,327.90/4,991.99 = 1,247.36/x
  3. Step 3: Cross multiply
    3,327.90x = 4,991.99 × 1,247.36
  4. Step 4: Simplify right side
    3,327.90x = 6,226,808.65
  5. Step 5: Solve for x
    x = 6,226,808.65/3,327.90
  6. Step 6: Final answer
    x = 1,871.09

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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.