Home / 2,935.17-4,052.43-2,147.85

Finding the Fourth Proportional to 2,935.17, 4,052.43 and 2,147.85

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Solution

The fourth proportional to 2,935.17, 4,052.43 and 2,147.85 is: 2,965.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.17 : 4,052.43 = 2,147.85 : x
  2. Step 2: Convert to fraction form
    2,935.17/4,052.43 = 2,147.85/x
  3. Step 3: Cross multiply
    2,935.17x = 4,052.43 × 2,147.85
  4. Step 4: Simplify right side
    2,935.17x = 8,704,011.78
  5. Step 5: Solve for x
    x = 8,704,011.78/2,935.17
  6. Step 6: Final answer
    x = 2,965.42

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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.