Home / 3,122.25-4,679.59-1,366.50

Finding the Fourth Proportional to 3,122.25, 4,679.59 and 1,366.50

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Solution

The fourth proportional to 3,122.25, 4,679.59 and 1,366.50 is: 2,048.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.25 : 4,679.59 = 1,366.50 : x
  2. Step 2: Convert to fraction form
    3,122.25/4,679.59 = 1,366.50/x
  3. Step 3: Cross multiply
    3,122.25x = 4,679.59 × 1,366.50
  4. Step 4: Simplify right side
    3,122.25x = 6,394,659.74
  5. Step 5: Solve for x
    x = 6,394,659.74/3,122.25
  6. Step 6: Final answer
    x = 2,048.09

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1.5x scale

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.