Home / 1,893.74-2,613.33-1,107.92

Finding the Fourth Proportional to 1,893.74, 2,613.33 and 1,107.92

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Solution

The fourth proportional to 1,893.74, 2,613.33 and 1,107.92 is: 1,528.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.74 : 2,613.33 = 1,107.92 : x
  2. Step 2: Convert to fraction form
    1,893.74/2,613.33 = 1,107.92/x
  3. Step 3: Cross multiply
    1,893.74x = 2,613.33 × 1,107.92
  4. Step 4: Simplify right side
    1,893.74x = 2,895,360.57
  5. Step 5: Solve for x
    x = 2,895,360.57/1,893.74
  6. Step 6: Final answer
    x = 1,528.91

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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.