Home / 3,160.24-4,359.16-2,274.64

Finding the Fourth Proportional to 3,160.24, 4,359.16 and 2,274.64

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Solution

The fourth proportional to 3,160.24, 4,359.16 and 2,274.64 is: 3,137.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.24 : 4,359.16 = 2,274.64 : x
  2. Step 2: Convert to fraction form
    3,160.24/4,359.16 = 2,274.64/x
  3. Step 3: Cross multiply
    3,160.24x = 4,359.16 × 2,274.64
  4. Step 4: Simplify right side
    3,160.24x = 9,915,519.70
  5. Step 5: Solve for x
    x = 9,915,519.70/3,160.24
  6. Step 6: Final answer
    x = 3,137.58

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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.