Home / 3,508.61-4,841.87-1,936.69

Finding the Fourth Proportional to 3,508.61, 4,841.87 and 1,936.69

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Solution

The fourth proportional to 3,508.61, 4,841.87 and 1,936.69 is: 2,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.61 : 4,841.87 = 1,936.69 : x
  2. Step 2: Convert to fraction form
    3,508.61/4,841.87 = 1,936.69/x
  3. Step 3: Cross multiply
    3,508.61x = 4,841.87 × 1,936.69
  4. Step 4: Simplify right side
    3,508.61x = 9,377,179.42
  5. Step 5: Solve for x
    x = 9,377,179.42/3,508.61
  6. Step 6: Final answer
    x = 2,672.62

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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.