Home / 2,412.16-3,616.86-1,438.95

Finding the Fourth Proportional to 2,412.16, 3,616.86 and 1,438.95

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Solution

The fourth proportional to 2,412.16, 3,616.86 and 1,438.95 is: 2,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.16 : 3,616.86 = 1,438.95 : x
  2. Step 2: Convert to fraction form
    2,412.16/3,616.86 = 1,438.95/x
  3. Step 3: Cross multiply
    2,412.16x = 3,616.86 × 1,438.95
  4. Step 4: Simplify right side
    2,412.16x = 5,204,480.70
  5. Step 5: Solve for x
    x = 5,204,480.70/2,412.16
  6. Step 6: Final answer
    x = 2,157.60

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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.