Home / 3,966.36-5,949.30-1,657.88

Finding the Fourth Proportional to 3,966.36, 5,949.30 and 1,657.88

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Solution

The fourth proportional to 3,966.36, 5,949.30 and 1,657.88 is: 2,486.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.36 : 5,949.30 = 1,657.88 : x
  2. Step 2: Convert to fraction form
    3,966.36/5,949.30 = 1,657.88/x
  3. Step 3: Cross multiply
    3,966.36x = 5,949.30 × 1,657.88
  4. Step 4: Simplify right side
    3,966.36x = 9,863,225.48
  5. Step 5: Solve for x
    x = 9,863,225.48/3,966.36
  6. Step 6: Final answer
    x = 2,486.72

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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.