Home / 2,896.40-4,343.92-1,726.73

Finding the Fourth Proportional to 2,896.40, 4,343.92 and 1,726.73

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Solution

The fourth proportional to 2,896.40, 4,343.92 and 1,726.73 is: 2,589.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.40 : 4,343.92 = 1,726.73 : x
  2. Step 2: Convert to fraction form
    2,896.40/4,343.92 = 1,726.73/x
  3. Step 3: Cross multiply
    2,896.40x = 4,343.92 × 1,726.73
  4. Step 4: Simplify right side
    2,896.40x = 7,500,755.26
  5. Step 5: Solve for x
    x = 7,500,755.26/2,896.40
  6. Step 6: Final answer
    x = 2,589.69

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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.