Home / 2,654.88-3,981.78-1,566.96

Finding the Fourth Proportional to 2,654.88, 3,981.78 and 1,566.96

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Solution

The fourth proportional to 2,654.88, 3,981.78 and 1,566.96 is: 2,350.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.88 : 3,981.78 = 1,566.96 : x
  2. Step 2: Convert to fraction form
    2,654.88/3,981.78 = 1,566.96/x
  3. Step 3: Cross multiply
    2,654.88x = 3,981.78 × 1,566.96
  4. Step 4: Simplify right side
    2,654.88x = 6,239,289.99
  5. Step 5: Solve for x
    x = 6,239,289.99/2,654.88
  6. Step 6: Final answer
    x = 2,350.12

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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.