Home / 3,754.59-5,628.80-2,190.75

Finding the Fourth Proportional to 3,754.59, 5,628.80 and 2,190.75

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Solution

The fourth proportional to 3,754.59, 5,628.80 and 2,190.75 is: 3,284.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.59 : 5,628.80 = 2,190.75 : x
  2. Step 2: Convert to fraction form
    3,754.59/5,628.80 = 2,190.75/x
  3. Step 3: Cross multiply
    3,754.59x = 5,628.80 × 2,190.75
  4. Step 4: Simplify right side
    3,754.59x = 12,331,282.65
  5. Step 5: Solve for x
    x = 12,331,282.65/3,754.59
  6. Step 6: Final answer
    x = 3,284.32

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1.5x scale

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.