Home / 1,865.72-2,794.26-1,402.04

Finding the Fourth Proportional to 1,865.72, 2,794.26 and 1,402.04

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Solution

The fourth proportional to 1,865.72, 2,794.26 and 1,402.04 is: 2,099.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865.72 : 2,794.26 = 1,402.04 : x
  2. Step 2: Convert to fraction form
    1,865.72/2,794.26 = 1,402.04/x
  3. Step 3: Cross multiply
    1,865.72x = 2,794.26 × 1,402.04
  4. Step 4: Simplify right side
    1,865.72x = 3,917,664.29
  5. Step 5: Solve for x
    x = 3,917,664.29/1,865.72
  6. Step 6: Final answer
    x = 2,099.81

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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.