Home / 2,190.36-3,282.79-1,726.30

Finding the Fourth Proportional to 2,190.36, 3,282.79 and 1,726.30

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Solution

The fourth proportional to 2,190.36, 3,282.79 and 1,726.30 is: 2,587.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.36 : 3,282.79 = 1,726.30 : x
  2. Step 2: Convert to fraction form
    2,190.36/3,282.79 = 1,726.30/x
  3. Step 3: Cross multiply
    2,190.36x = 3,282.79 × 1,726.30
  4. Step 4: Simplify right side
    2,190.36x = 5,667,080.38
  5. Step 5: Solve for x
    x = 5,667,080.38/2,190.36
  6. Step 6: Final answer
    x = 2,587.28

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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.