Home / 2,887.44-4,331.13-696.15

Finding the Fourth Proportional to 2,887.44, 4,331.13 and 696.15

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Solution

The fourth proportional to 2,887.44, 4,331.13 and 696.15 is: 1,044.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.44 : 4,331.13 = 696.15 : x
  2. Step 2: Convert to fraction form
    2,887.44/4,331.13 = 696.15/x
  3. Step 3: Cross multiply
    2,887.44x = 4,331.13 × 696.15
  4. Step 4: Simplify right side
    2,887.44x = 3,015,129.78
  5. Step 5: Solve for x
    x = 3,015,129.78/2,887.44
  6. Step 6: Final answer
    x = 1,044.22

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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.