Home / 3,578.13-4,936.81-2,319.24

Finding the Fourth Proportional to 3,578.13, 4,936.81 and 2,319.24

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Solution

The fourth proportional to 3,578.13, 4,936.81 and 2,319.24 is: 3,199.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.13 : 4,936.81 = 2,319.24 : x
  2. Step 2: Convert to fraction form
    3,578.13/4,936.81 = 2,319.24/x
  3. Step 3: Cross multiply
    3,578.13x = 4,936.81 × 2,319.24
  4. Step 4: Simplify right side
    3,578.13x = 11,449,610.94
  5. Step 5: Solve for x
    x = 11,449,610.94/3,578.13
  6. Step 6: Final answer
    x = 3,199.89

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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.