Home / 3,007.49-4,512.08-1,252.15

Finding the Fourth Proportional to 3,007.49, 4,512.08 and 1,252.15

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Solution

The fourth proportional to 3,007.49, 4,512.08 and 1,252.15 is: 1,878.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.49 : 4,512.08 = 1,252.15 : x
  2. Step 2: Convert to fraction form
    3,007.49/4,512.08 = 1,252.15/x
  3. Step 3: Cross multiply
    3,007.49x = 4,512.08 × 1,252.15
  4. Step 4: Simplify right side
    3,007.49x = 5,649,792.82
  5. Step 5: Solve for x
    x = 5,649,792.82/3,007.49
  6. Step 6: Final answer
    x = 1,878.58

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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.