Home / 2,427.69-3,350.21-1,379.75

Finding the Fourth Proportional to 2,427.69, 3,350.21 and 1,379.75

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Solution

The fourth proportional to 2,427.69, 3,350.21 and 1,379.75 is: 1,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.69 : 3,350.21 = 1,379.75 : x
  2. Step 2: Convert to fraction form
    2,427.69/3,350.21 = 1,379.75/x
  3. Step 3: Cross multiply
    2,427.69x = 3,350.21 × 1,379.75
  4. Step 4: Simplify right side
    2,427.69x = 4,622,452.25
  5. Step 5: Solve for x
    x = 4,622,452.25/2,427.69
  6. Step 6: Final answer
    x = 1,904.05

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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.