Home / 2,983.28-4,116.69-1,656.77

Finding the Fourth Proportional to 2,983.28, 4,116.69 and 1,656.77

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Solution

The fourth proportional to 2,983.28, 4,116.69 and 1,656.77 is: 2,286.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.28 : 4,116.69 = 1,656.77 : x
  2. Step 2: Convert to fraction form
    2,983.28/4,116.69 = 1,656.77/x
  3. Step 3: Cross multiply
    2,983.28x = 4,116.69 × 1,656.77
  4. Step 4: Simplify right side
    2,983.28x = 6,820,387.91
  5. Step 5: Solve for x
    x = 6,820,387.91/2,983.28
  6. Step 6: Final answer
    x = 2,286.21

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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.