Home / 2,926.63-4,043.82-2,821.53

Finding the Fourth Proportional to 2,926.63, 4,043.82 and 2,821.53

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Solution

The fourth proportional to 2,926.63, 4,043.82 and 2,821.53 is: 3,898.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.63 : 4,043.82 = 2,821.53 : x
  2. Step 2: Convert to fraction form
    2,926.63/4,043.82 = 2,821.53/x
  3. Step 3: Cross multiply
    2,926.63x = 4,043.82 × 2,821.53
  4. Step 4: Simplify right side
    2,926.63x = 11,409,785.19
  5. Step 5: Solve for x
    x = 11,409,785.19/2,926.63
  6. Step 6: Final answer
    x = 3,898.61

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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.