Home / 3,077.10-4,246.35-1,679.82

Finding the Fourth Proportional to 3,077.10, 4,246.35 and 1,679.82

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Solution

The fourth proportional to 3,077.10, 4,246.35 and 1,679.82 is: 2,318.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.10 : 4,246.35 = 1,679.82 : x
  2. Step 2: Convert to fraction form
    3,077.10/4,246.35 = 1,679.82/x
  3. Step 3: Cross multiply
    3,077.10x = 4,246.35 × 1,679.82
  4. Step 4: Simplify right side
    3,077.10x = 7,133,103.66
  5. Step 5: Solve for x
    x = 7,133,103.66/3,077.10
  6. Step 6: Final answer
    x = 2,318.13

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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.