Home / 2,208.06-3,310.46-1,903.50

Finding the Fourth Proportional to 2,208.06, 3,310.46 and 1,903.50

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Solution

The fourth proportional to 2,208.06, 3,310.46 and 1,903.50 is: 2,853.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.06 : 3,310.46 = 1,903.50 : x
  2. Step 2: Convert to fraction form
    2,208.06/3,310.46 = 1,903.50/x
  3. Step 3: Cross multiply
    2,208.06x = 3,310.46 × 1,903.50
  4. Step 4: Simplify right side
    2,208.06x = 6,301,460.61
  5. Step 5: Solve for x
    x = 6,301,460.61/2,208.06
  6. Step 6: Final answer
    x = 2,853.84

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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.