Home / 2,867.36-3,960.80-2,310

Finding the Fourth Proportional to 2,867.36, 3,960.80 and 2,310

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Solution

The fourth proportional to 2,867.36, 3,960.80 and 2,310 is: 3,190.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.36 : 3,960.80 = 2,310 : x
  2. Step 2: Convert to fraction form
    2,867.36/3,960.80 = 2,310/x
  3. Step 3: Cross multiply
    2,867.36x = 3,960.80 × 2,310
  4. Step 4: Simplify right side
    2,867.36x = 9,149,448
  5. Step 5: Solve for x
    x = 9,149,448/2,867.36
  6. Step 6: Final answer
    x = 3,190.90

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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.