Home / 3,911.18-5,395.92-2,416.50

Finding the Fourth Proportional to 3,911.18, 5,395.92 and 2,416.50

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Solution

The fourth proportional to 3,911.18, 5,395.92 and 2,416.50 is: 3,333.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.18 : 5,395.92 = 2,416.50 : x
  2. Step 2: Convert to fraction form
    3,911.18/5,395.92 = 2,416.50/x
  3. Step 3: Cross multiply
    3,911.18x = 5,395.92 × 2,416.50
  4. Step 4: Simplify right side
    3,911.18x = 13,039,240.68
  5. Step 5: Solve for x
    x = 13,039,240.68/3,911.18
  6. Step 6: Final answer
    x = 3,333.84

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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.