Home / 1,704.19-2,351.24-1,005.43

Finding the Fourth Proportional to 1,704.19, 2,351.24 and 1,005.43

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Solution

The fourth proportional to 1,704.19, 2,351.24 and 1,005.43 is: 1,387.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.19 : 2,351.24 = 1,005.43 : x
  2. Step 2: Convert to fraction form
    1,704.19/2,351.24 = 1,005.43/x
  3. Step 3: Cross multiply
    1,704.19x = 2,351.24 × 1,005.43
  4. Step 4: Simplify right side
    1,704.19x = 2,364,002.21
  5. Step 5: Solve for x
    x = 2,364,002.21/1,704.19
  6. Step 6: Final answer
    x = 1,387.17

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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.