Home / 2,452.55-3,385.77-1,891.76

Finding the Fourth Proportional to 2,452.55, 3,385.77 and 1,891.76

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Solution

The fourth proportional to 2,452.55, 3,385.77 and 1,891.76 is: 2,611.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,452.55 : 3,385.77 = 1,891.76 : x
  2. Step 2: Convert to fraction form
    2,452.55/3,385.77 = 1,891.76/x
  3. Step 3: Cross multiply
    2,452.55x = 3,385.77 × 1,891.76
  4. Step 4: Simplify right side
    2,452.55x = 6,405,040.23
  5. Step 5: Solve for x
    x = 6,405,040.23/2,452.55
  6. Step 6: Final answer
    x = 2,611.59

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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.