Home / 3,076.84-4,249.56-2,810.62

Finding the Fourth Proportional to 3,076.84, 4,249.56 and 2,810.62

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Solution

The fourth proportional to 3,076.84, 4,249.56 and 2,810.62 is: 3,881.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.84 : 4,249.56 = 2,810.62 : x
  2. Step 2: Convert to fraction form
    3,076.84/4,249.56 = 2,810.62/x
  3. Step 3: Cross multiply
    3,076.84x = 4,249.56 × 2,810.62
  4. Step 4: Simplify right side
    3,076.84x = 11,943,898.33
  5. Step 5: Solve for x
    x = 11,943,898.33/3,076.84
  6. Step 6: Final answer
    x = 3,881.87

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1.5x scale

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.