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Finding the Fourth Proportional to 2,931.07, 4,044.81 and 1,604.83

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Solution

The fourth proportional to 2,931.07, 4,044.81 and 1,604.83 is: 2,214.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.07 : 4,044.81 = 1,604.83 : x
  2. Step 2: Convert to fraction form
    2,931.07/4,044.81 = 1,604.83/x
  3. Step 3: Cross multiply
    2,931.07x = 4,044.81 × 1,604.83
  4. Step 4: Simplify right side
    2,931.07x = 6,491,234.48
  5. Step 5: Solve for x
    x = 6,491,234.48/2,931.07
  6. Step 6: Final answer
    x = 2,214.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.