Home / 3,669.11-5,063.35-1,990.52

Finding the Fourth Proportional to 3,669.11, 5,063.35 and 1,990.52

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Solution

The fourth proportional to 3,669.11, 5,063.35 and 1,990.52 is: 2,746.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.11 : 5,063.35 = 1,990.52 : x
  2. Step 2: Convert to fraction form
    3,669.11/5,063.35 = 1,990.52/x
  3. Step 3: Cross multiply
    3,669.11x = 5,063.35 × 1,990.52
  4. Step 4: Simplify right side
    3,669.11x = 10,078,699.44
  5. Step 5: Solve for x
    x = 10,078,699.44/3,669.11
  6. Step 6: Final answer
    x = 2,746.91

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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.