Home / 2,108.18-3,160.20-1,814.66

Finding the Fourth Proportional to 2,108.18, 3,160.20 and 1,814.66

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Solution

The fourth proportional to 2,108.18, 3,160.20 and 1,814.66 is: 2,720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108.18 : 3,160.20 = 1,814.66 : x
  2. Step 2: Convert to fraction form
    2,108.18/3,160.20 = 1,814.66/x
  3. Step 3: Cross multiply
    2,108.18x = 3,160.20 × 1,814.66
  4. Step 4: Simplify right side
    2,108.18x = 5,734,688.53
  5. Step 5: Solve for x
    x = 5,734,688.53/2,108.18
  6. Step 6: Final answer
    x = 2,720.21

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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.