Home / 1,729.10-2,383.42-1,586.09

Finding the Fourth Proportional to 1,729.10, 2,383.42 and 1,586.09

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Solution

The fourth proportional to 1,729.10, 2,383.42 and 1,586.09 is: 2,186.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.10 : 2,383.42 = 1,586.09 : x
  2. Step 2: Convert to fraction form
    1,729.10/2,383.42 = 1,586.09/x
  3. Step 3: Cross multiply
    1,729.10x = 2,383.42 × 1,586.09
  4. Step 4: Simplify right side
    1,729.10x = 3,780,318.63
  5. Step 5: Solve for x
    x = 3,780,318.63/1,729.10
  6. Step 6: Final answer
    x = 2,186.29

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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.