Home / 3,076.58-4,240.56-2,179.16

Finding the Fourth Proportional to 3,076.58, 4,240.56 and 2,179.16

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Solution

The fourth proportional to 3,076.58, 4,240.56 and 2,179.16 is: 3,003.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.58 : 4,240.56 = 2,179.16 : x
  2. Step 2: Convert to fraction form
    3,076.58/4,240.56 = 2,179.16/x
  3. Step 3: Cross multiply
    3,076.58x = 4,240.56 × 2,179.16
  4. Step 4: Simplify right side
    3,076.58x = 9,240,837.53
  5. Step 5: Solve for x
    x = 9,240,837.53/3,076.58
  6. Step 6: Final answer
    x = 3,003.61

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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.