Home / 2,887.43-3,983.58-1,893.25

Finding the Fourth Proportional to 2,887.43, 3,983.58 and 1,893.25

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Solution

The fourth proportional to 2,887.43, 3,983.58 and 1,893.25 is: 2,611.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.43 : 3,983.58 = 1,893.25 : x
  2. Step 2: Convert to fraction form
    2,887.43/3,983.58 = 1,893.25/x
  3. Step 3: Cross multiply
    2,887.43x = 3,983.58 × 1,893.25
  4. Step 4: Simplify right side
    2,887.43x = 7,541,917.81
  5. Step 5: Solve for x
    x = 7,541,917.81/2,887.43
  6. Step 6: Final answer
    x = 2,611.99

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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.