Home / 4,130.38-5,697.42-2,450.68

Finding the Fourth Proportional to 4,130.38, 5,697.42 and 2,450.68

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Solution

The fourth proportional to 4,130.38, 5,697.42 and 2,450.68 is: 3,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.38 : 5,697.42 = 2,450.68 : x
  2. Step 2: Convert to fraction form
    4,130.38/5,697.42 = 2,450.68/x
  3. Step 3: Cross multiply
    4,130.38x = 5,697.42 × 2,450.68
  4. Step 4: Simplify right side
    4,130.38x = 13,962,553.25
  5. Step 5: Solve for x
    x = 13,962,553.25/4,130.38
  6. Step 6: Final answer
    x = 3,380.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.