Home / 1,693.53-2,338.66-1,601.49

Finding the Fourth Proportional to 1,693.53, 2,338.66 and 1,601.49

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Solution

The fourth proportional to 1,693.53, 2,338.66 and 1,601.49 is: 2,211.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693.53 : 2,338.66 = 1,601.49 : x
  2. Step 2: Convert to fraction form
    1,693.53/2,338.66 = 1,601.49/x
  3. Step 3: Cross multiply
    1,693.53x = 2,338.66 × 1,601.49
  4. Step 4: Simplify right side
    1,693.53x = 3,745,340.60
  5. Step 5: Solve for x
    x = 3,745,340.60/1,693.53
  6. Step 6: Final answer
    x = 2,211.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.