Home / 3,966.90-5,953.95-2,669.28

Finding the Fourth Proportional to 3,966.90, 5,953.95 and 2,669.28

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Solution

The fourth proportional to 3,966.90, 5,953.95 and 2,669.28 is: 4,006.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.90 : 5,953.95 = 2,669.28 : x
  2. Step 2: Convert to fraction form
    3,966.90/5,953.95 = 2,669.28/x
  3. Step 3: Cross multiply
    3,966.90x = 5,953.95 × 2,669.28
  4. Step 4: Simplify right side
    3,966.90x = 15,892,759.66
  5. Step 5: Solve for x
    x = 15,892,759.66/3,966.90
  6. Step 6: Final answer
    x = 4,006.34

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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.