Home / 2,271.88-3,407.26-1,438.60

Finding the Fourth Proportional to 2,271.88, 3,407.26 and 1,438.60

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Solution

The fourth proportional to 2,271.88, 3,407.26 and 1,438.60 is: 2,157.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271.88 : 3,407.26 = 1,438.60 : x
  2. Step 2: Convert to fraction form
    2,271.88/3,407.26 = 1,438.60/x
  3. Step 3: Cross multiply
    2,271.88x = 3,407.26 × 1,438.60
  4. Step 4: Simplify right side
    2,271.88x = 4,901,684.24
  5. Step 5: Solve for x
    x = 4,901,684.24/2,271.88
  6. Step 6: Final answer
    x = 2,157.55

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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.