Home / 1,693.68-2,334.36-1,169.04

Finding the Fourth Proportional to 1,693.68, 2,334.36 and 1,169.04

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Solution

The fourth proportional to 1,693.68, 2,334.36 and 1,169.04 is: 1,611.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693.68 : 2,334.36 = 1,169.04 : x
  2. Step 2: Convert to fraction form
    1,693.68/2,334.36 = 1,169.04/x
  3. Step 3: Cross multiply
    1,693.68x = 2,334.36 × 1,169.04
  4. Step 4: Simplify right side
    1,693.68x = 2,728,960.21
  5. Step 5: Solve for x
    x = 2,728,960.21/1,693.68
  6. Step 6: Final answer
    x = 1,611.26

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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.