Home / 2,896.29-3,997.12-1,637.41

Finding the Fourth Proportional to 2,896.29, 3,997.12 and 1,637.41

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Solution

The fourth proportional to 2,896.29, 3,997.12 and 1,637.41 is: 2,259.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.29 : 3,997.12 = 1,637.41 : x
  2. Step 2: Convert to fraction form
    2,896.29/3,997.12 = 1,637.41/x
  3. Step 3: Cross multiply
    2,896.29x = 3,997.12 × 1,637.41
  4. Step 4: Simplify right side
    2,896.29x = 6,544,924.26
  5. Step 5: Solve for x
    x = 6,544,924.26/2,896.29
  6. Step 6: Final answer
    x = 2,259.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.