Home / 1,704.08-2,351.88-1,005.68

Finding the Fourth Proportional to 1,704.08, 2,351.88 and 1,005.68

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Solution

The fourth proportional to 1,704.08, 2,351.88 and 1,005.68 is: 1,387.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.08 : 2,351.88 = 1,005.68 : x
  2. Step 2: Convert to fraction form
    1,704.08/2,351.88 = 1,005.68/x
  3. Step 3: Cross multiply
    1,704.08x = 2,351.88 × 1,005.68
  4. Step 4: Simplify right side
    1,704.08x = 2,365,238.68
  5. Step 5: Solve for x
    x = 2,365,238.68/1,704.08
  6. Step 6: Final answer
    x = 1,387.99

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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.