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Finding the Fourth Proportional to 2,797.43, 4,195.25 and 922.90

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Solution

The fourth proportional to 2,797.43, 4,195.25 and 922.90 is: 1,384.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.43 : 4,195.25 = 922.90 : x
  2. Step 2: Convert to fraction form
    2,797.43/4,195.25 = 922.90/x
  3. Step 3: Cross multiply
    2,797.43x = 4,195.25 × 922.90
  4. Step 4: Simplify right side
    2,797.43x = 3,871,792.45
  5. Step 5: Solve for x
    x = 3,871,792.45/2,797.43
  6. Step 6: Final answer
    x = 1,384.05

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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.