Home / 3,645.78-5,467.86-1,048.11

Finding the Fourth Proportional to 3,645.78, 5,467.86 and 1,048.11

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Solution

The fourth proportional to 3,645.78, 5,467.86 and 1,048.11 is: 1,571.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.78 : 5,467.86 = 1,048.11 : x
  2. Step 2: Convert to fraction form
    3,645.78/5,467.86 = 1,048.11/x
  3. Step 3: Cross multiply
    3,645.78x = 5,467.86 × 1,048.11
  4. Step 4: Simplify right side
    3,645.78x = 5,730,918.74
  5. Step 5: Solve for x
    x = 5,730,918.74/3,645.78
  6. Step 6: Final answer
    x = 1,571.93

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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.