Home / 3,913.36-5,399.28-2,341.15

Finding the Fourth Proportional to 3,913.36, 5,399.28 and 2,341.15

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Solution

The fourth proportional to 3,913.36, 5,399.28 and 2,341.15 is: 3,230.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.36 : 5,399.28 = 2,341.15 : x
  2. Step 2: Convert to fraction form
    3,913.36/5,399.28 = 2,341.15/x
  3. Step 3: Cross multiply
    3,913.36x = 5,399.28 × 2,341.15
  4. Step 4: Simplify right side
    3,913.36x = 12,640,524.37
  5. Step 5: Solve for x
    x = 12,640,524.37/3,913.36
  6. Step 6: Final answer
    x = 3,230.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.