Home / 2,427.60-3,350.08-1,379.87

Finding the Fourth Proportional to 2,427.60, 3,350.08 and 1,379.87

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Solution

The fourth proportional to 2,427.60, 3,350.08 and 1,379.87 is: 1,904.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.60 : 3,350.08 = 1,379.87 : x
  2. Step 2: Convert to fraction form
    2,427.60/3,350.08 = 1,379.87/x
  3. Step 3: Cross multiply
    2,427.60x = 3,350.08 × 1,379.87
  4. Step 4: Simplify right side
    2,427.60x = 4,622,651.24
  5. Step 5: Solve for x
    x = 4,622,651.24/2,427.60
  6. Step 6: Final answer
    x = 1,904.21

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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.