Home / 3,644.55-5,467.37-1,422.95

Finding the Fourth Proportional to 3,644.55, 5,467.37 and 1,422.95

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Solution

The fourth proportional to 3,644.55, 5,467.37 and 1,422.95 is: 2,134.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.55 : 5,467.37 = 1,422.95 : x
  2. Step 2: Convert to fraction form
    3,644.55/5,467.37 = 1,422.95/x
  3. Step 3: Cross multiply
    3,644.55x = 5,467.37 × 1,422.95
  4. Step 4: Simplify right side
    3,644.55x = 7,779,759.69
  5. Step 5: Solve for x
    x = 7,779,759.69/3,644.55
  6. Step 6: Final answer
    x = 2,134.63

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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.