Home / 2,911.78-4,373.26-2,496.25

Finding the Fourth Proportional to 2,911.78, 4,373.26 and 2,496.25

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Solution

The fourth proportional to 2,911.78, 4,373.26 and 2,496.25 is: 3,749.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.78 : 4,373.26 = 2,496.25 : x
  2. Step 2: Convert to fraction form
    2,911.78/4,373.26 = 2,496.25/x
  3. Step 3: Cross multiply
    2,911.78x = 4,373.26 × 2,496.25
  4. Step 4: Simplify right side
    2,911.78x = 10,916,750.28
  5. Step 5: Solve for x
    x = 10,916,750.28/2,911.78
  6. Step 6: Final answer
    x = 3,749.17

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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.