Home / 3,655.82-5,045.98-2,257.76

Finding the Fourth Proportional to 3,655.82, 5,045.98 and 2,257.76

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Solution

The fourth proportional to 3,655.82, 5,045.98 and 2,257.76 is: 3,116.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.82 : 5,045.98 = 2,257.76 : x
  2. Step 2: Convert to fraction form
    3,655.82/5,045.98 = 2,257.76/x
  3. Step 3: Cross multiply
    3,655.82x = 5,045.98 × 2,257.76
  4. Step 4: Simplify right side
    3,655.82x = 11,392,611.80
  5. Step 5: Solve for x
    x = 11,392,611.80/3,655.82
  6. Step 6: Final answer
    x = 3,116.29

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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.