Home / 1,704.12-2,349.18-1,205.22

Finding the Fourth Proportional to 1,704.12, 2,349.18 and 1,205.22

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Solution

The fourth proportional to 1,704.12, 2,349.18 and 1,205.22 is: 1,661.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.12 : 2,349.18 = 1,205.22 : x
  2. Step 2: Convert to fraction form
    1,704.12/2,349.18 = 1,205.22/x
  3. Step 3: Cross multiply
    1,704.12x = 2,349.18 × 1,205.22
  4. Step 4: Simplify right side
    1,704.12x = 2,831,278.72
  5. Step 5: Solve for x
    x = 2,831,278.72/1,704.12
  6. Step 6: Final answer
    x = 1,661.43

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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.