Home / 3,171.45-4,759.97-1,225.02

Finding the Fourth Proportional to 3,171.45, 4,759.97 and 1,225.02

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Solution

The fourth proportional to 3,171.45, 4,759.97 and 1,225.02 is: 1,838.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.45 : 4,759.97 = 1,225.02 : x
  2. Step 2: Convert to fraction form
    3,171.45/4,759.97 = 1,225.02/x
  3. Step 3: Cross multiply
    3,171.45x = 4,759.97 × 1,225.02
  4. Step 4: Simplify right side
    3,171.45x = 5,831,070.17
  5. Step 5: Solve for x
    x = 5,831,070.17/3,171.45
  6. Step 6: Final answer
    x = 1,838.61

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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.