Home / 2,983.12-4,116.78-1,656.95

Finding the Fourth Proportional to 2,983.12, 4,116.78 and 1,656.95

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Solution

The fourth proportional to 2,983.12, 4,116.78 and 1,656.95 is: 2,286.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.12 : 4,116.78 = 1,656.95 : x
  2. Step 2: Convert to fraction form
    2,983.12/4,116.78 = 1,656.95/x
  3. Step 3: Cross multiply
    2,983.12x = 4,116.78 × 1,656.95
  4. Step 4: Simplify right side
    2,983.12x = 6,821,278.04
  5. Step 5: Solve for x
    x = 6,821,278.04/2,983.12
  6. Step 6: Final answer
    x = 2,286.63

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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.