Home / 3,012.39-4,158.62-1,893.95

Finding the Fourth Proportional to 3,012.39, 4,158.62 and 1,893.95

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Solution

The fourth proportional to 3,012.39, 4,158.62 and 1,893.95 is: 2,614.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.39 : 4,158.62 = 1,893.95 : x
  2. Step 2: Convert to fraction form
    3,012.39/4,158.62 = 1,893.95/x
  3. Step 3: Cross multiply
    3,012.39x = 4,158.62 × 1,893.95
  4. Step 4: Simplify right side
    3,012.39x = 7,876,203.68
  5. Step 5: Solve for x
    x = 7,876,203.68/3,012.39
  6. Step 6: Final answer
    x = 2,614.60

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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.