Home / 3,074.05-4,614.45-1,612.81

Finding the Fourth Proportional to 3,074.05, 4,614.45 and 1,612.81

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Solution

The fourth proportional to 3,074.05, 4,614.45 and 1,612.81 is: 2,420.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.05 : 4,614.45 = 1,612.81 : x
  2. Step 2: Convert to fraction form
    3,074.05/4,614.45 = 1,612.81/x
  3. Step 3: Cross multiply
    3,074.05x = 4,614.45 × 1,612.81
  4. Step 4: Simplify right side
    3,074.05x = 7,442,231.10
  5. Step 5: Solve for x
    x = 7,442,231.10/3,074.05
  6. Step 6: Final answer
    x = 2,420.99

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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.