Home / 2,914.40-4,371.62-1,181.81

Finding the Fourth Proportional to 2,914.40, 4,371.62 and 1,181.81

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Solution

The fourth proportional to 2,914.40, 4,371.62 and 1,181.81 is: 1,772.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.40 : 4,371.62 = 1,181.81 : x
  2. Step 2: Convert to fraction form
    2,914.40/4,371.62 = 1,181.81/x
  3. Step 3: Cross multiply
    2,914.40x = 4,371.62 × 1,181.81
  4. Step 4: Simplify right side
    2,914.40x = 5,166,429.25
  5. Step 5: Solve for x
    x = 5,166,429.25/2,914.40
  6. Step 6: Final answer
    x = 1,772.72

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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.