Home / 3,905.08-5,389.11-2,334.07

Finding the Fourth Proportional to 3,905.08, 5,389.11 and 2,334.07

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Solution

The fourth proportional to 3,905.08, 5,389.11 and 2,334.07 is: 3,221.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.08 : 5,389.11 = 2,334.07 : x
  2. Step 2: Convert to fraction form
    3,905.08/5,389.11 = 2,334.07/x
  3. Step 3: Cross multiply
    3,905.08x = 5,389.11 × 2,334.07
  4. Step 4: Simplify right side
    3,905.08x = 12,578,559.98
  5. Step 5: Solve for x
    x = 12,578,559.98/3,905.08
  6. Step 6: Final answer
    x = 3,221.08

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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.