Home / 3,077.09-4,246.33-1,679.85

Finding the Fourth Proportional to 3,077.09, 4,246.33 and 1,679.85

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Solution

The fourth proportional to 3,077.09, 4,246.33 and 1,679.85 is: 2,318.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.09 : 4,246.33 = 1,679.85 : x
  2. Step 2: Convert to fraction form
    3,077.09/4,246.33 = 1,679.85/x
  3. Step 3: Cross multiply
    3,077.09x = 4,246.33 × 1,679.85
  4. Step 4: Simplify right side
    3,077.09x = 7,133,189.05
  5. Step 5: Solve for x
    x = 7,133,189.05/3,077.09
  6. Step 6: Final answer
    x = 2,318.16

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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.