Home / 3,118.16-4,654.39-2,749.08

Finding the Fourth Proportional to 3,118.16, 4,654.39 and 2,749.08

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Solution

The fourth proportional to 3,118.16, 4,654.39 and 2,749.08 is: 4,103.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.16 : 4,654.39 = 2,749.08 : x
  2. Step 2: Convert to fraction form
    3,118.16/4,654.39 = 2,749.08/x
  3. Step 3: Cross multiply
    3,118.16x = 4,654.39 × 2,749.08
  4. Step 4: Simplify right side
    3,118.16x = 12,795,290.46
  5. Step 5: Solve for x
    x = 12,795,290.46/3,118.16
  6. Step 6: Final answer
    x = 4,103.47

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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.