Home / 2,832.39-3,903.26-1,887.12

Finding the Fourth Proportional to 2,832.39, 3,903.26 and 1,887.12

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Solution

The fourth proportional to 2,832.39, 3,903.26 and 1,887.12 is: 2,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.39 : 3,903.26 = 1,887.12 : x
  2. Step 2: Convert to fraction form
    2,832.39/3,903.26 = 1,887.12/x
  3. Step 3: Cross multiply
    2,832.39x = 3,903.26 × 1,887.12
  4. Step 4: Simplify right side
    2,832.39x = 7,365,910.58
  5. Step 5: Solve for x
    x = 7,365,910.58/2,832.39
  6. Step 6: Final answer
    x = 2,600.60

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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.