Home / 3,076.95-4,246.17-1,679.70

Finding the Fourth Proportional to 3,076.95, 4,246.17 and 1,679.70

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Solution

The fourth proportional to 3,076.95, 4,246.17 and 1,679.70 is: 2,317.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.95 : 4,246.17 = 1,679.70 : x
  2. Step 2: Convert to fraction form
    3,076.95/4,246.17 = 1,679.70/x
  3. Step 3: Cross multiply
    3,076.95x = 4,246.17 × 1,679.70
  4. Step 4: Simplify right side
    3,076.95x = 7,132,291.75
  5. Step 5: Solve for x
    x = 7,132,291.75/3,076.95
  6. Step 6: Final answer
    x = 2,317.97

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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.