Home / 2,539.44-3,815.55-1,615.41

Finding the Fourth Proportional to 2,539.44, 3,815.55 and 1,615.41

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Solution

The fourth proportional to 2,539.44, 3,815.55 and 1,615.41 is: 2,427.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.44 : 3,815.55 = 1,615.41 : x
  2. Step 2: Convert to fraction form
    2,539.44/3,815.55 = 1,615.41/x
  3. Step 3: Cross multiply
    2,539.44x = 3,815.55 × 1,615.41
  4. Step 4: Simplify right side
    2,539.44x = 6,163,677.63
  5. Step 5: Solve for x
    x = 6,163,677.63/2,539.44
  6. Step 6: Final answer
    x = 2,427.18

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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.