Home / 1,917.39-2,874.09-1,301.13

Finding the Fourth Proportional to 1,917.39, 2,874.09 and 1,301.13

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Solution

The fourth proportional to 1,917.39, 2,874.09 and 1,301.13 is: 1,950.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917.39 : 2,874.09 = 1,301.13 : x
  2. Step 2: Convert to fraction form
    1,917.39/2,874.09 = 1,301.13/x
  3. Step 3: Cross multiply
    1,917.39x = 2,874.09 × 1,301.13
  4. Step 4: Simplify right side
    1,917.39x = 3,739,564.72
  5. Step 5: Solve for x
    x = 3,739,564.72/1,917.39
  6. Step 6: Final answer
    x = 1,950.34

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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.