Home / 2,708.86-4,057.20-1,651.80

Finding the Fourth Proportional to 2,708.86, 4,057.20 and 1,651.80

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Solution

The fourth proportional to 2,708.86, 4,057.20 and 1,651.80 is: 2,473.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.86 : 4,057.20 = 1,651.80 : x
  2. Step 2: Convert to fraction form
    2,708.86/4,057.20 = 1,651.80/x
  3. Step 3: Cross multiply
    2,708.86x = 4,057.20 × 1,651.80
  4. Step 4: Simplify right side
    2,708.86x = 6,701,682.96
  5. Step 5: Solve for x
    x = 6,701,682.96/2,708.86
  6. Step 6: Final answer
    x = 2,473.99

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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.