Home / 2,911.35-4,366.00-936.90

Finding the Fourth Proportional to 2,911.35, 4,366.00 and 936.90

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Solution

The fourth proportional to 2,911.35, 4,366.00 and 936.90 is: 1,405.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.35 : 4,366.00 = 936.90 : x
  2. Step 2: Convert to fraction form
    2,911.35/4,366.00 = 936.90/x
  3. Step 3: Cross multiply
    2,911.35x = 4,366.00 × 936.90
  4. Step 4: Simplify right side
    2,911.35x = 4,090,506.57
  5. Step 5: Solve for x
    x = 4,090,506.57/2,911.35
  6. Step 6: Final answer
    x = 1,405.02

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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.