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Finding the Fourth Proportional to 3,888.88, 5,832.96 and 2,408.32

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Solution

The fourth proportional to 3,888.88, 5,832.96 and 2,408.32 is: 3,612.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888.88 : 5,832.96 = 2,408.32 : x
  2. Step 2: Convert to fraction form
    3,888.88/5,832.96 = 2,408.32/x
  3. Step 3: Cross multiply
    3,888.88x = 5,832.96 × 2,408.32
  4. Step 4: Simplify right side
    3,888.88x = 14,047,634.23
  5. Step 5: Solve for x
    x = 14,047,634.23/3,888.88
  6. Step 6: Final answer
    x = 3,612.26

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1.5x scale

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.