Home / 2,887.28-4,330.92-696.03

Finding the Fourth Proportional to 2,887.28, 4,330.92 and 696.03

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Solution

The fourth proportional to 2,887.28, 4,330.92 and 696.03 is: 1,044.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.28 : 4,330.92 = 696.03 : x
  2. Step 2: Convert to fraction form
    2,887.28/4,330.92 = 696.03/x
  3. Step 3: Cross multiply
    2,887.28x = 4,330.92 × 696.03
  4. Step 4: Simplify right side
    2,887.28x = 3,014,450.25
  5. Step 5: Solve for x
    x = 3,014,450.25/2,887.28
  6. Step 6: Final answer
    x = 1,044.05

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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.