Home / 3,881.94-5,356.89-2,310

Finding the Fourth Proportional to 3,881.94, 5,356.89 and 2,310

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Solution

The fourth proportional to 3,881.94, 5,356.89 and 2,310 is: 3,187.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.94 : 5,356.89 = 2,310 : x
  2. Step 2: Convert to fraction form
    3,881.94/5,356.89 = 2,310/x
  3. Step 3: Cross multiply
    3,881.94x = 5,356.89 × 2,310
  4. Step 4: Simplify right side
    3,881.94x = 12,374,415.90
  5. Step 5: Solve for x
    x = 12,374,415.90/3,881.94
  6. Step 6: Final answer
    x = 3,187.69

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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.