Home / 2,438.14-3,657.84-1,399.33

Finding the Fourth Proportional to 2,438.14, 3,657.84 and 1,399.33

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Solution

The fourth proportional to 2,438.14, 3,657.84 and 1,399.33 is: 2,099.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.14 : 3,657.84 = 1,399.33 : x
  2. Step 2: Convert to fraction form
    2,438.14/3,657.84 = 1,399.33/x
  3. Step 3: Cross multiply
    2,438.14x = 3,657.84 × 1,399.33
  4. Step 4: Simplify right side
    2,438.14x = 5,118,525.25
  5. Step 5: Solve for x
    x = 5,118,525.25/2,438.14
  6. Step 6: Final answer
    x = 2,099.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.