Home / 2,836.13-3,913.28-1,656.97

Finding the Fourth Proportional to 2,836.13, 3,913.28 and 1,656.97

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Solution

The fourth proportional to 2,836.13, 3,913.28 and 1,656.97 is: 2,286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.13 : 3,913.28 = 1,656.97 : x
  2. Step 2: Convert to fraction form
    2,836.13/3,913.28 = 1,656.97/x
  3. Step 3: Cross multiply
    2,836.13x = 3,913.28 × 1,656.97
  4. Step 4: Simplify right side
    2,836.13x = 6,484,186.15
  5. Step 5: Solve for x
    x = 6,484,186.15/2,836.13
  6. Step 6: Final answer
    x = 2,286.28

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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.