Home / 3,754.09-5,628.04-2,190.25

Finding the Fourth Proportional to 3,754.09, 5,628.04 and 2,190.25

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Solution

The fourth proportional to 3,754.09, 5,628.04 and 2,190.25 is: 3,283.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.09 : 5,628.04 = 2,190.25 : x
  2. Step 2: Convert to fraction form
    3,754.09/5,628.04 = 2,190.25/x
  3. Step 3: Cross multiply
    3,754.09x = 5,628.04 × 2,190.25
  4. Step 4: Simplify right side
    3,754.09x = 12,326,814.61
  5. Step 5: Solve for x
    x = 12,326,814.61/3,754.09
  6. Step 6: Final answer
    x = 3,283.57

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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.