Home / 2,518.73-3,779.40-1,203.96

Finding the Fourth Proportional to 2,518.73, 3,779.40 and 1,203.96

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Solution

The fourth proportional to 2,518.73, 3,779.40 and 1,203.96 is: 1,806.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.73 : 3,779.40 = 1,203.96 : x
  2. Step 2: Convert to fraction form
    2,518.73/3,779.40 = 1,203.96/x
  3. Step 3: Cross multiply
    2,518.73x = 3,779.40 × 1,203.96
  4. Step 4: Simplify right side
    2,518.73x = 4,550,246.42
  5. Step 5: Solve for x
    x = 4,550,246.42/2,518.73
  6. Step 6: Final answer
    x = 1,806.57

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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.