Home / 1,693.32-2,334.33-1,299.66

Finding the Fourth Proportional to 1,693.32, 2,334.33 and 1,299.66

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Solution

The fourth proportional to 1,693.32, 2,334.33 and 1,299.66 is: 1,791.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693.32 : 2,334.33 = 1,299.66 : x
  2. Step 2: Convert to fraction form
    1,693.32/2,334.33 = 1,299.66/x
  3. Step 3: Cross multiply
    1,693.32x = 2,334.33 × 1,299.66
  4. Step 4: Simplify right side
    1,693.32x = 3,033,835.33
  5. Step 5: Solve for x
    x = 3,033,835.33/1,693.32
  6. Step 6: Final answer
    x = 1,791.65

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1.5x scale

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.