Home / 3,185.60-4,776.78-1,453.28

Finding the Fourth Proportional to 3,185.60, 4,776.78 and 1,453.28

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Solution

The fourth proportional to 3,185.60, 4,776.78 and 1,453.28 is: 2,179.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.60 : 4,776.78 = 1,453.28 : x
  2. Step 2: Convert to fraction form
    3,185.60/4,776.78 = 1,453.28/x
  3. Step 3: Cross multiply
    3,185.60x = 4,776.78 × 1,453.28
  4. Step 4: Simplify right side
    3,185.60x = 6,941,998.84
  5. Step 5: Solve for x
    x = 6,941,998.84/3,185.60
  6. Step 6: Final answer
    x = 2,179.18

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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.