Home / 3,623.66-4,995.15-2,986.46

Finding the Fourth Proportional to 3,623.66, 4,995.15 and 2,986.46

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Solution

The fourth proportional to 3,623.66, 4,995.15 and 2,986.46 is: 4,116.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.66 : 4,995.15 = 2,986.46 : x
  2. Step 2: Convert to fraction form
    3,623.66/4,995.15 = 2,986.46/x
  3. Step 3: Cross multiply
    3,623.66x = 4,995.15 × 2,986.46
  4. Step 4: Simplify right side
    3,623.66x = 14,917,815.67
  5. Step 5: Solve for x
    x = 14,917,815.67/3,623.66
  6. Step 6: Final answer
    x = 4,116.78

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1.5x scale

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.