Home / 2,864.88-4,297.44-917.36

Finding the Fourth Proportional to 2,864.88, 4,297.44 and 917.36

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Solution

The fourth proportional to 2,864.88, 4,297.44 and 917.36 is: 1,376.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.88 : 4,297.44 = 917.36 : x
  2. Step 2: Convert to fraction form
    2,864.88/4,297.44 = 917.36/x
  3. Step 3: Cross multiply
    2,864.88x = 4,297.44 × 917.36
  4. Step 4: Simplify right side
    2,864.88x = 3,942,299.56
  5. Step 5: Solve for x
    x = 3,942,299.56/2,864.88
  6. Step 6: Final answer
    x = 1,376.08

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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.