Home / 3,773.12-5,659.36-1,307.68

Finding the Fourth Proportional to 3,773.12, 5,659.36 and 1,307.68

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Solution

The fourth proportional to 3,773.12, 5,659.36 and 1,307.68 is: 1,961.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773.12 : 5,659.36 = 1,307.68 : x
  2. Step 2: Convert to fraction form
    3,773.12/5,659.36 = 1,307.68/x
  3. Step 3: Cross multiply
    3,773.12x = 5,659.36 × 1,307.68
  4. Step 4: Simplify right side
    3,773.12x = 7,400,631.88
  5. Step 5: Solve for x
    x = 7,400,631.88/3,773.12
  6. Step 6: Final answer
    x = 1,961.41

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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.