Home / 3,076.83-4,246.02-1,679.58

Finding the Fourth Proportional to 3,076.83, 4,246.02 and 1,679.58

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Solution

The fourth proportional to 3,076.83, 4,246.02 and 1,679.58 is: 2,317.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.83 : 4,246.02 = 1,679.58 : x
  2. Step 2: Convert to fraction form
    3,076.83/4,246.02 = 1,679.58/x
  3. Step 3: Cross multiply
    3,076.83x = 4,246.02 × 1,679.58
  4. Step 4: Simplify right side
    3,076.83x = 7,131,530.27
  5. Step 5: Solve for x
    x = 7,131,530.27/3,076.83
  6. Step 6: Final answer
    x = 2,317.82

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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.