Home / 3,011.88-4,488.26-2,912.79

Finding the Fourth Proportional to 3,011.88, 4,488.26 and 2,912.79

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Solution

The fourth proportional to 3,011.88, 4,488.26 and 2,912.79 is: 4,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.88 : 4,488.26 = 2,912.79 : x
  2. Step 2: Convert to fraction form
    3,011.88/4,488.26 = 2,912.79/x
  3. Step 3: Cross multiply
    3,011.88x = 4,488.26 × 2,912.79
  4. Step 4: Simplify right side
    3,011.88x = 13,073,358.85
  5. Step 5: Solve for x
    x = 13,073,358.85/3,011.88
  6. Step 6: Final answer
    x = 4,340.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.