Home / 1,896.40-2,844.60-1,726.30

Finding the Fourth Proportional to 1,896.40, 2,844.60 and 1,726.30

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Solution

The fourth proportional to 1,896.40, 2,844.60 and 1,726.30 is: 2,589.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.40 : 2,844.60 = 1,726.30 : x
  2. Step 2: Convert to fraction form
    1,896.40/2,844.60 = 1,726.30/x
  3. Step 3: Cross multiply
    1,896.40x = 2,844.60 × 1,726.30
  4. Step 4: Simplify right side
    1,896.40x = 4,910,632.98
  5. Step 5: Solve for x
    x = 4,910,632.98/1,896.40
  6. Step 6: Final answer
    x = 2,589.45

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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.