Home / 2,930.42-4,043.85-1,604.09

Finding the Fourth Proportional to 2,930.42, 4,043.85 and 1,604.09

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Solution

The fourth proportional to 2,930.42, 4,043.85 and 1,604.09 is: 2,213.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.42 : 4,043.85 = 1,604.09 : x
  2. Step 2: Convert to fraction form
    2,930.42/4,043.85 = 1,604.09/x
  3. Step 3: Cross multiply
    2,930.42x = 4,043.85 × 1,604.09
  4. Step 4: Simplify right side
    2,930.42x = 6,486,679.13
  5. Step 5: Solve for x
    x = 6,486,679.13/2,930.42
  6. Step 6: Final answer
    x = 2,213.57

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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.