Home / 3,077.26-4,246.62-1,680.01

Finding the Fourth Proportional to 3,077.26, 4,246.62 and 1,680.01

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Solution

The fourth proportional to 3,077.26, 4,246.62 and 1,680.01 is: 2,318.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.26 : 4,246.62 = 1,680.01 : x
  2. Step 2: Convert to fraction form
    3,077.26/4,246.62 = 1,680.01/x
  3. Step 3: Cross multiply
    3,077.26x = 4,246.62 × 1,680.01
  4. Step 4: Simplify right side
    3,077.26x = 7,134,353.45
  5. Step 5: Solve for x
    x = 7,134,353.45/3,077.26
  6. Step 6: Final answer
    x = 2,318.41

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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.