Home / 2,966.88-4,451.38-1,323.28

Finding the Fourth Proportional to 2,966.88, 4,451.38 and 1,323.28

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Solution

The fourth proportional to 2,966.88, 4,451.38 and 1,323.28 is: 1,985.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.88 : 4,451.38 = 1,323.28 : x
  2. Step 2: Convert to fraction form
    2,966.88/4,451.38 = 1,323.28/x
  3. Step 3: Cross multiply
    2,966.88x = 4,451.38 × 1,323.28
  4. Step 4: Simplify right side
    2,966.88x = 5,890,422.13
  5. Step 5: Solve for x
    x = 5,890,422.13/2,966.88
  6. Step 6: Final answer
    x = 1,985.39

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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.