Home / 2,540.45-3,808.08-1,154.77

Finding the Fourth Proportional to 2,540.45, 3,808.08 and 1,154.77

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Solution

The fourth proportional to 2,540.45, 3,808.08 and 1,154.77 is: 1,730.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.45 : 3,808.08 = 1,154.77 : x
  2. Step 2: Convert to fraction form
    2,540.45/3,808.08 = 1,154.77/x
  3. Step 3: Cross multiply
    2,540.45x = 3,808.08 × 1,154.77
  4. Step 4: Simplify right side
    2,540.45x = 4,397,456.54
  5. Step 5: Solve for x
    x = 4,397,456.54/2,540.45
  6. Step 6: Final answer
    x = 1,730.98

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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.