Home / 2,427.26-3,349.50-1,379.66

Finding the Fourth Proportional to 2,427.26, 3,349.50 and 1,379.66

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Solution

The fourth proportional to 2,427.26, 3,349.50 and 1,379.66 is: 1,903.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.26 : 3,349.50 = 1,379.66 : x
  2. Step 2: Convert to fraction form
    2,427.26/3,349.50 = 1,379.66/x
  3. Step 3: Cross multiply
    2,427.26x = 3,349.50 × 1,379.66
  4. Step 4: Simplify right side
    2,427.26x = 4,621,171.17
  5. Step 5: Solve for x
    x = 4,621,171.17/2,427.26
  6. Step 6: Final answer
    x = 1,903.86

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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.