Home / 2,913.49-4,372.26-1,818.64

Finding the Fourth Proportional to 2,913.49, 4,372.26 and 1,818.64

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Solution

The fourth proportional to 2,913.49, 4,372.26 and 1,818.64 is: 2,729.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.49 : 4,372.26 = 1,818.64 : x
  2. Step 2: Convert to fraction form
    2,913.49/4,372.26 = 1,818.64/x
  3. Step 3: Cross multiply
    2,913.49x = 4,372.26 × 1,818.64
  4. Step 4: Simplify right side
    2,913.49x = 7,951,566.93
  5. Step 5: Solve for x
    x = 7,951,566.93/2,913.49
  6. Step 6: Final answer
    x = 2,729.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.