Home / 4,120.43-6,182.60-1,656.95

Finding the Fourth Proportional to 4,120.43, 6,182.60 and 1,656.95

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Solution

The fourth proportional to 4,120.43, 6,182.60 and 1,656.95 is: 2,486.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.43 : 6,182.60 = 1,656.95 : x
  2. Step 2: Convert to fraction form
    4,120.43/6,182.60 = 1,656.95/x
  3. Step 3: Cross multiply
    4,120.43x = 6,182.60 × 1,656.95
  4. Step 4: Simplify right side
    4,120.43x = 10,244,219.87
  5. Step 5: Solve for x
    x = 10,244,219.87/4,120.43
  6. Step 6: Final answer
    x = 2,486.20

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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.