Home / 3,118.39-4,654.77-2,749.35

Finding the Fourth Proportional to 3,118.39, 4,654.77 and 2,749.35

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Solution

The fourth proportional to 3,118.39, 4,654.77 and 2,749.35 is: 4,103.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.39 : 4,654.77 = 2,749.35 : x
  2. Step 2: Convert to fraction form
    3,118.39/4,654.77 = 2,749.35/x
  3. Step 3: Cross multiply
    3,118.39x = 4,654.77 × 2,749.35
  4. Step 4: Simplify right side
    3,118.39x = 12,797,591.90
  5. Step 5: Solve for x
    x = 12,797,591.90/3,118.39
  6. Step 6: Final answer
    x = 4,103.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.