Home / 3,078.74-4,618.11-1,436.44

Finding the Fourth Proportional to 3,078.74, 4,618.11 and 1,436.44

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Solution

The fourth proportional to 3,078.74, 4,618.11 and 1,436.44 is: 2,154.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.74 : 4,618.11 = 1,436.44 : x
  2. Step 2: Convert to fraction form
    3,078.74/4,618.11 = 1,436.44/x
  3. Step 3: Cross multiply
    3,078.74x = 4,618.11 × 1,436.44
  4. Step 4: Simplify right side
    3,078.74x = 6,633,637.93
  5. Step 5: Solve for x
    x = 6,633,637.93/3,078.74
  6. Step 6: Final answer
    x = 2,154.66

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Similar ratio
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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.