Home / 3,106.55-4,654.34-2,767.56

Finding the Fourth Proportional to 3,106.55, 4,654.34 and 2,767.56

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Solution

The fourth proportional to 3,106.55, 4,654.34 and 2,767.56 is: 4,146.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.55 : 4,654.34 = 2,767.56 : x
  2. Step 2: Convert to fraction form
    3,106.55/4,654.34 = 2,767.56/x
  3. Step 3: Cross multiply
    3,106.55x = 4,654.34 × 2,767.56
  4. Step 4: Simplify right side
    3,106.55x = 12,881,165.21
  5. Step 5: Solve for x
    x = 12,881,165.21/3,106.55
  6. Step 6: Final answer
    x = 4,146.46

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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.