Home / 2,771.25-4,157.16-922.92

Finding the Fourth Proportional to 2,771.25, 4,157.16 and 922.92

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Solution

The fourth proportional to 2,771.25, 4,157.16 and 922.92 is: 1,384.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.25 : 4,157.16 = 922.92 : x
  2. Step 2: Convert to fraction form
    2,771.25/4,157.16 = 922.92/x
  3. Step 3: Cross multiply
    2,771.25x = 4,157.16 × 922.92
  4. Step 4: Simplify right side
    2,771.25x = 3,836,726.11
  5. Step 5: Solve for x
    x = 3,836,726.11/2,771.25
  6. Step 6: Final answer
    x = 1,384.47

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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.