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Finding the Fourth Proportional to 3,494, 4,818.84 and 2,095.76

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Solution

The fourth proportional to 3,494, 4,818.84 and 2,095.76 is: 2,890.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494 : 4,818.84 = 2,095.76 : x
  2. Step 2: Convert to fraction form
    3,494/4,818.84 = 2,095.76/x
  3. Step 3: Cross multiply
    3,494x = 4,818.84 × 2,095.76
  4. Step 4: Simplify right side
    3,494x = 10,099,132.12
  5. Step 5: Solve for x
    x = 10,099,132.12/3,494
  6. Step 6: Final answer
    x = 2,890.42

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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.