Home / 3,770.48-5,656.64-1,305.28

Finding the Fourth Proportional to 3,770.48, 5,656.64 and 1,305.28

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Solution

The fourth proportional to 3,770.48, 5,656.64 and 1,305.28 is: 1,958.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.48 : 5,656.64 = 1,305.28 : x
  2. Step 2: Convert to fraction form
    3,770.48/5,656.64 = 1,305.28/x
  3. Step 3: Cross multiply
    3,770.48x = 5,656.64 × 1,305.28
  4. Step 4: Simplify right side
    3,770.48x = 7,383,499.06
  5. Step 5: Solve for x
    x = 7,383,499.06/3,770.48
  6. Step 6: Final answer
    x = 1,958.24

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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.