Home / 3,076.89-4,246.17-1,679.64

Finding the Fourth Proportional to 3,076.89, 4,246.17 and 1,679.64

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Solution

The fourth proportional to 3,076.89, 4,246.17 and 1,679.64 is: 2,317.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.89 : 4,246.17 = 1,679.64 : x
  2. Step 2: Convert to fraction form
    3,076.89/4,246.17 = 1,679.64/x
  3. Step 3: Cross multiply
    3,076.89x = 4,246.17 × 1,679.64
  4. Step 4: Simplify right side
    3,076.89x = 7,132,036.98
  5. Step 5: Solve for x
    x = 7,132,036.98/3,076.89
  6. Step 6: Final answer
    x = 2,317.94

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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.