Home / 3,120.53-4,682.14-2,426.15

Finding the Fourth Proportional to 3,120.53, 4,682.14 and 2,426.15

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Solution

The fourth proportional to 3,120.53, 4,682.14 and 2,426.15 is: 3,640.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120.53 : 4,682.14 = 2,426.15 : x
  2. Step 2: Convert to fraction form
    3,120.53/4,682.14 = 2,426.15/x
  3. Step 3: Cross multiply
    3,120.53x = 4,682.14 × 2,426.15
  4. Step 4: Simplify right side
    3,120.53x = 11,359,579.60
  5. Step 5: Solve for x
    x = 11,359,579.60/3,120.53
  6. Step 6: Final answer
    x = 3,640.28

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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.