Home / 3,028.16-4,540.70-1,385.86

Finding the Fourth Proportional to 3,028.16, 4,540.70 and 1,385.86

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Solution

The fourth proportional to 3,028.16, 4,540.70 and 1,385.86 is: 2,078.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.16 : 4,540.70 = 1,385.86 : x
  2. Step 2: Convert to fraction form
    3,028.16/4,540.70 = 1,385.86/x
  3. Step 3: Cross multiply
    3,028.16x = 4,540.70 × 1,385.86
  4. Step 4: Simplify right side
    3,028.16x = 6,292,774.50
  5. Step 5: Solve for x
    x = 6,292,774.50/3,028.16
  6. Step 6: Final answer
    x = 2,078.09

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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.