Home / 3,914.16-5,401.40-2,320.08

Finding the Fourth Proportional to 3,914.16, 5,401.40 and 2,320.08

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Solution

The fourth proportional to 3,914.16, 5,401.40 and 2,320.08 is: 3,201.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.16 : 5,401.40 = 2,320.08 : x
  2. Step 2: Convert to fraction form
    3,914.16/5,401.40 = 2,320.08/x
  3. Step 3: Cross multiply
    3,914.16x = 5,401.40 × 2,320.08
  4. Step 4: Simplify right side
    3,914.16x = 12,531,680.11
  5. Step 5: Solve for x
    x = 12,531,680.11/3,914.16
  6. Step 6: Final answer
    x = 3,201.63

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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.