Home / 3,078.33-4,620.59-2,077.57

Finding the Fourth Proportional to 3,078.33, 4,620.59 and 2,077.57

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Solution

The fourth proportional to 3,078.33, 4,620.59 and 2,077.57 is: 3,118.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.33 : 4,620.59 = 2,077.57 : x
  2. Step 2: Convert to fraction form
    3,078.33/4,620.59 = 2,077.57/x
  3. Step 3: Cross multiply
    3,078.33x = 4,620.59 × 2,077.57
  4. Step 4: Simplify right side
    3,078.33x = 9,599,599.17
  5. Step 5: Solve for x
    x = 9,599,599.17/3,078.33
  6. Step 6: Final answer
    x = 3,118.44

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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.