Home / 3,755.11-5,631.98-1,415.32

Finding the Fourth Proportional to 3,755.11, 5,631.98 and 1,415.32

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Solution

The fourth proportional to 3,755.11, 5,631.98 and 1,415.32 is: 2,122.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.11 : 5,631.98 = 1,415.32 : x
  2. Step 2: Convert to fraction form
    3,755.11/5,631.98 = 1,415.32/x
  3. Step 3: Cross multiply
    3,755.11x = 5,631.98 × 1,415.32
  4. Step 4: Simplify right side
    3,755.11x = 7,971,072.42
  5. Step 5: Solve for x
    x = 7,971,072.42/3,755.11
  6. Step 6: Final answer
    x = 2,122.73

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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.