Home / 3,935.64-5,895.36-2,842.20

Finding the Fourth Proportional to 3,935.64, 5,895.36 and 2,842.20

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Solution

The fourth proportional to 3,935.64, 5,895.36 and 2,842.20 is: 4,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.64 : 5,895.36 = 2,842.20 : x
  2. Step 2: Convert to fraction form
    3,935.64/5,895.36 = 2,842.20/x
  3. Step 3: Cross multiply
    3,935.64x = 5,895.36 × 2,842.20
  4. Step 4: Simplify right side
    3,935.64x = 16,755,792.19
  5. Step 5: Solve for x
    x = 16,755,792.19/3,935.64
  6. Step 6: Final answer
    x = 4,257.45

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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.