Home / 3,114.42-4,671.12-922.64

Finding the Fourth Proportional to 3,114.42, 4,671.12 and 922.64

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Solution

The fourth proportional to 3,114.42, 4,671.12 and 922.64 is: 1,383.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.42 : 4,671.12 = 922.64 : x
  2. Step 2: Convert to fraction form
    3,114.42/4,671.12 = 922.64/x
  3. Step 3: Cross multiply
    3,114.42x = 4,671.12 × 922.64
  4. Step 4: Simplify right side
    3,114.42x = 4,309,769.18
  5. Step 5: Solve for x
    x = 4,309,769.18/3,114.42
  6. Step 6: Final answer
    x = 1,383.81

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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.