Home / 3,282.56-4,529.84-1,790.50

Finding the Fourth Proportional to 3,282.56, 4,529.84 and 1,790.50

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Solution

The fourth proportional to 3,282.56, 4,529.84 and 1,790.50 is: 2,470.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.56 : 4,529.84 = 1,790.50 : x
  2. Step 2: Convert to fraction form
    3,282.56/4,529.84 = 1,790.50/x
  3. Step 3: Cross multiply
    3,282.56x = 4,529.84 × 1,790.50
  4. Step 4: Simplify right side
    3,282.56x = 8,110,678.52
  5. Step 5: Solve for x
    x = 8,110,678.52/3,282.56
  6. Step 6: Final answer
    x = 2,470.84

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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.