Home / 2,930.30-4,043.92-1,671.15

Finding the Fourth Proportional to 2,930.30, 4,043.92 and 1,671.15

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Solution

The fourth proportional to 2,930.30, 4,043.92 and 1,671.15 is: 2,306.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.30 : 4,043.92 = 1,671.15 : x
  2. Step 2: Convert to fraction form
    2,930.30/4,043.92 = 1,671.15/x
  3. Step 3: Cross multiply
    2,930.30x = 4,043.92 × 1,671.15
  4. Step 4: Simplify right side
    2,930.30x = 6,757,996.91
  5. Step 5: Solve for x
    x = 6,757,996.91/2,930.30
  6. Step 6: Final answer
    x = 2,306.25

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1.5x scale

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.