Home / 2,834.91-3,913.20-1,656.96

Finding the Fourth Proportional to 2,834.91, 3,913.20 and 1,656.96

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Solution

The fourth proportional to 2,834.91, 3,913.20 and 1,656.96 is: 2,287.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.91 : 3,913.20 = 1,656.96 : x
  2. Step 2: Convert to fraction form
    2,834.91/3,913.20 = 1,656.96/x
  3. Step 3: Cross multiply
    2,834.91x = 3,913.20 × 1,656.96
  4. Step 4: Simplify right side
    2,834.91x = 6,484,015.87
  5. Step 5: Solve for x
    x = 6,484,015.87/2,834.91
  6. Step 6: Final answer
    x = 2,287.20

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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.