Home / 2,730.66-4,066.91-2,633.81

Finding the Fourth Proportional to 2,730.66, 4,066.91 and 2,633.81

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Solution

The fourth proportional to 2,730.66, 4,066.91 and 2,633.81 is: 3,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.66 : 4,066.91 = 2,633.81 : x
  2. Step 2: Convert to fraction form
    2,730.66/4,066.91 = 2,633.81/x
  3. Step 3: Cross multiply
    2,730.66x = 4,066.91 × 2,633.81
  4. Step 4: Simplify right side
    2,730.66x = 10,711,434.72
  5. Step 5: Solve for x
    x = 10,711,434.72/2,730.66
  6. Step 6: Final answer
    x = 3,922.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.