Home / 3,755.16-5,634.54-1,678.14

Finding the Fourth Proportional to 3,755.16, 5,634.54 and 1,678.14

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Solution

The fourth proportional to 3,755.16, 5,634.54 and 1,678.14 is: 2,518.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.16 : 5,634.54 = 1,678.14 : x
  2. Step 2: Convert to fraction form
    3,755.16/5,634.54 = 1,678.14/x
  3. Step 3: Cross multiply
    3,755.16x = 5,634.54 × 1,678.14
  4. Step 4: Simplify right side
    3,755.16x = 9,455,546.96
  5. Step 5: Solve for x
    x = 9,455,546.96/3,755.16
  6. Step 6: Final answer
    x = 2,518.01

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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.