Home / 2,930.33-4,043.67-1,604.05

Finding the Fourth Proportional to 2,930.33, 4,043.67 and 1,604.05

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Solution

The fourth proportional to 2,930.33, 4,043.67 and 1,604.05 is: 2,213.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.33 : 4,043.67 = 1,604.05 : x
  2. Step 2: Convert to fraction form
    2,930.33/4,043.67 = 1,604.05/x
  3. Step 3: Cross multiply
    2,930.33x = 4,043.67 × 1,604.05
  4. Step 4: Simplify right side
    2,930.33x = 6,486,248.86
  5. Step 5: Solve for x
    x = 6,486,248.86/2,930.33
  6. Step 6: Final answer
    x = 2,213.49

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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.