Home / 3,486.12-5,232.83-2,188.50

Finding the Fourth Proportional to 3,486.12, 5,232.83 and 2,188.50

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Solution

The fourth proportional to 3,486.12, 5,232.83 and 2,188.50 is: 3,285.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.12 : 5,232.83 = 2,188.50 : x
  2. Step 2: Convert to fraction form
    3,486.12/5,232.83 = 2,188.50/x
  3. Step 3: Cross multiply
    3,486.12x = 5,232.83 × 2,188.50
  4. Step 4: Simplify right side
    3,486.12x = 11,452,037.51
  5. Step 5: Solve for x
    x = 11,452,037.51/3,486.12
  6. Step 6: Final answer
    x = 3,285.04

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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.