Home / 2,887.07-3,983.19-1,627.93

Finding the Fourth Proportional to 2,887.07, 3,983.19 and 1,627.93

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Solution

The fourth proportional to 2,887.07, 3,983.19 and 1,627.93 is: 2,245.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.07 : 3,983.19 = 1,627.93 : x
  2. Step 2: Convert to fraction form
    2,887.07/3,983.19 = 1,627.93/x
  3. Step 3: Cross multiply
    2,887.07x = 3,983.19 × 1,627.93
  4. Step 4: Simplify right side
    2,887.07x = 6,484,334.58
  5. Step 5: Solve for x
    x = 6,484,334.58/2,887.07
  6. Step 6: Final answer
    x = 2,245.99

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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.