Home / 3,336.60-4,603.61-1,992.15

Finding the Fourth Proportional to 3,336.60, 4,603.61 and 1,992.15

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Solution

The fourth proportional to 3,336.60, 4,603.61 and 1,992.15 is: 2,748.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.60 : 4,603.61 = 1,992.15 : x
  2. Step 2: Convert to fraction form
    3,336.60/4,603.61 = 1,992.15/x
  3. Step 3: Cross multiply
    3,336.60x = 4,603.61 × 1,992.15
  4. Step 4: Simplify right side
    3,336.60x = 9,171,081.66
  5. Step 5: Solve for x
    x = 9,171,081.66/3,336.60
  6. Step 6: Final answer
    x = 2,748.63

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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.