Home / 2,887.36-3,983.52-2,608

Finding the Fourth Proportional to 2,887.36, 3,983.52 and 2,608

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Solution

The fourth proportional to 2,887.36, 3,983.52 and 2,608 is: 3,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.36 : 3,983.52 = 2,608 : x
  2. Step 2: Convert to fraction form
    2,887.36/3,983.52 = 2,608/x
  3. Step 3: Cross multiply
    2,887.36x = 3,983.52 × 2,608
  4. Step 4: Simplify right side
    2,887.36x = 10,389,020.16
  5. Step 5: Solve for x
    x = 10,389,020.16/2,887.36
  6. Step 6: Final answer
    x = 3,598.10

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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.