Home / 2,157.00-3,236.07-1,169.58

Finding the Fourth Proportional to 2,157.00, 3,236.07 and 1,169.58

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Solution

The fourth proportional to 2,157.00, 3,236.07 and 1,169.58 is: 1,754.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157.00 : 3,236.07 = 1,169.58 : x
  2. Step 2: Convert to fraction form
    2,157.00/3,236.07 = 1,169.58/x
  3. Step 3: Cross multiply
    2,157.00x = 3,236.07 × 1,169.58
  4. Step 4: Simplify right side
    2,157.00x = 3,784,859.27
  5. Step 5: Solve for x
    x = 3,784,859.27/2,157.00
  6. Step 6: Final answer
    x = 1,754.69

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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.