Home / 3,852.36-5,316.28-2,150.95

Finding the Fourth Proportional to 3,852.36, 5,316.28 and 2,150.95

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Solution

The fourth proportional to 3,852.36, 5,316.28 and 2,150.95 is: 2,968.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.36 : 5,316.28 = 2,150.95 : x
  2. Step 2: Convert to fraction form
    3,852.36/5,316.28 = 2,150.95/x
  3. Step 3: Cross multiply
    3,852.36x = 5,316.28 × 2,150.95
  4. Step 4: Simplify right side
    3,852.36x = 11,435,052.47
  5. Step 5: Solve for x
    x = 11,435,052.47/3,852.36
  6. Step 6: Final answer
    x = 2,968.32

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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.