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Finding the Fourth Proportional to 2,930.07, 4,394.04 and 849.51

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Solution

The fourth proportional to 2,930.07, 4,394.04 and 849.51 is: 1,273.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.07 : 4,394.04 = 849.51 : x
  2. Step 2: Convert to fraction form
    2,930.07/4,394.04 = 849.51/x
  3. Step 3: Cross multiply
    2,930.07x = 4,394.04 × 849.51
  4. Step 4: Simplify right side
    2,930.07x = 3,732,780.92
  5. Step 5: Solve for x
    x = 3,732,780.92/2,930.07
  6. Step 6: Final answer
    x = 1,273.96

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1.5x scale

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.