Home / 2,391.40-3,582.06-1,093.96

Finding the Fourth Proportional to 2,391.40, 3,582.06 and 1,093.96

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Solution

The fourth proportional to 2,391.40, 3,582.06 and 1,093.96 is: 1,638.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.40 : 3,582.06 = 1,093.96 : x
  2. Step 2: Convert to fraction form
    2,391.40/3,582.06 = 1,093.96/x
  3. Step 3: Cross multiply
    2,391.40x = 3,582.06 × 1,093.96
  4. Step 4: Simplify right side
    2,391.40x = 3,918,630.36
  5. Step 5: Solve for x
    x = 3,918,630.36/2,391.40
  6. Step 6: Final answer
    x = 1,638.63

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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.