Home / 3,904.16-5,387.70-2,202.50

Finding the Fourth Proportional to 3,904.16, 5,387.70 and 2,202.50

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Solution

The fourth proportional to 3,904.16, 5,387.70 and 2,202.50 is: 3,039.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.16 : 5,387.70 = 2,202.50 : x
  2. Step 2: Convert to fraction form
    3,904.16/5,387.70 = 2,202.50/x
  3. Step 3: Cross multiply
    3,904.16x = 5,387.70 × 2,202.50
  4. Step 4: Simplify right side
    3,904.16x = 11,866,409.25
  5. Step 5: Solve for x
    x = 11,866,409.25/3,904.16
  6. Step 6: Final answer
    x = 3,039.43

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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.