Home / 2,539.08-3,806.46-999.72

Finding the Fourth Proportional to 2,539.08, 3,806.46 and 999.72

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Solution

The fourth proportional to 2,539.08, 3,806.46 and 999.72 is: 1,498.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.08 : 3,806.46 = 999.72 : x
  2. Step 2: Convert to fraction form
    2,539.08/3,806.46 = 999.72/x
  3. Step 3: Cross multiply
    2,539.08x = 3,806.46 × 999.72
  4. Step 4: Simplify right side
    2,539.08x = 3,805,394.19
  5. Step 5: Solve for x
    x = 3,805,394.19/2,539.08
  6. Step 6: Final answer
    x = 1,498.73

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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.