Home / 3,149.84-4,345.32-1,823.28

Finding the Fourth Proportional to 3,149.84, 4,345.32 and 1,823.28

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Solution

The fourth proportional to 3,149.84, 4,345.32 and 1,823.28 is: 2,515.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.84 : 4,345.32 = 1,823.28 : x
  2. Step 2: Convert to fraction form
    3,149.84/4,345.32 = 1,823.28/x
  3. Step 3: Cross multiply
    3,149.84x = 4,345.32 × 1,823.28
  4. Step 4: Simplify right side
    3,149.84x = 7,922,735.05
  5. Step 5: Solve for x
    x = 7,922,735.05/3,149.84
  6. Step 6: Final answer
    x = 2,515.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.