Home / 3,449.21-5,174.58-1,257.93

Finding the Fourth Proportional to 3,449.21, 5,174.58 and 1,257.93

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Solution

The fourth proportional to 3,449.21, 5,174.58 and 1,257.93 is: 1,887.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.21 : 5,174.58 = 1,257.93 : x
  2. Step 2: Convert to fraction form
    3,449.21/5,174.58 = 1,257.93/x
  3. Step 3: Cross multiply
    3,449.21x = 5,174.58 × 1,257.93
  4. Step 4: Simplify right side
    3,449.21x = 6,509,253.52
  5. Step 5: Solve for x
    x = 6,509,253.52/3,449.21
  6. Step 6: Final answer
    x = 1,887.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.