Home / 3,318.90-4,579.48-2,436.81

Finding the Fourth Proportional to 3,318.90, 4,579.48 and 2,436.81

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Solution

The fourth proportional to 3,318.90, 4,579.48 and 2,436.81 is: 3,362.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.90 : 4,579.48 = 2,436.81 : x
  2. Step 2: Convert to fraction form
    3,318.90/4,579.48 = 2,436.81/x
  3. Step 3: Cross multiply
    3,318.90x = 4,579.48 × 2,436.81
  4. Step 4: Simplify right side
    3,318.90x = 11,159,322.66
  5. Step 5: Solve for x
    x = 11,159,322.66/3,318.90
  6. Step 6: Final answer
    x = 3,362.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.