Home / 2,539.92-3,808.26-1,427.58

Finding the Fourth Proportional to 2,539.92, 3,808.26 and 1,427.58

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Solution

The fourth proportional to 2,539.92, 3,808.26 and 1,427.58 is: 2,140.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.92 : 3,808.26 = 1,427.58 : x
  2. Step 2: Convert to fraction form
    2,539.92/3,808.26 = 1,427.58/x
  3. Step 3: Cross multiply
    2,539.92x = 3,808.26 × 1,427.58
  4. Step 4: Simplify right side
    2,539.92x = 5,436,595.81
  5. Step 5: Solve for x
    x = 5,436,595.81/2,539.92
  6. Step 6: Final answer
    x = 2,140.46

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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.