Home / 2,758.19-4,136.00-908.96

Finding the Fourth Proportional to 2,758.19, 4,136.00 and 908.96

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Solution

The fourth proportional to 2,758.19, 4,136.00 and 908.96 is: 1,363.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.19 : 4,136.00 = 908.96 : x
  2. Step 2: Convert to fraction form
    2,758.19/4,136.00 = 908.96/x
  3. Step 3: Cross multiply
    2,758.19x = 4,136.00 × 908.96
  4. Step 4: Simplify right side
    2,758.19x = 3,759,433.34
  5. Step 5: Solve for x
    x = 3,759,433.34/2,758.19
  6. Step 6: Final answer
    x = 1,363.01

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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.