Home / 4,197.20-5,782.14-2,935.90

Finding the Fourth Proportional to 4,197.20, 5,782.14 and 2,935.90

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Solution

The fourth proportional to 4,197.20, 5,782.14 and 2,935.90 is: 4,044.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,197.20 : 5,782.14 = 2,935.90 : x
  2. Step 2: Convert to fraction form
    4,197.20/5,782.14 = 2,935.90/x
  3. Step 3: Cross multiply
    4,197.20x = 5,782.14 × 2,935.90
  4. Step 4: Simplify right side
    4,197.20x = 16,975,784.83
  5. Step 5: Solve for x
    x = 16,975,784.83/4,197.20
  6. Step 6: Final answer
    x = 4,044.55

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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.