Home / 2,155.55-3,233.67-922.97

Finding the Fourth Proportional to 2,155.55, 3,233.67 and 922.97

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Solution

The fourth proportional to 2,155.55, 3,233.67 and 922.97 is: 1,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155.55 : 3,233.67 = 922.97 : x
  2. Step 2: Convert to fraction form
    2,155.55/3,233.67 = 922.97/x
  3. Step 3: Cross multiply
    2,155.55x = 3,233.67 × 922.97
  4. Step 4: Simplify right side
    2,155.55x = 2,984,580.40
  5. Step 5: Solve for x
    x = 2,984,580.40/2,155.55
  6. Step 6: Final answer
    x = 1,384.60

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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.