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Finding the Fourth Proportional to 3,195.76, 4,410.18 and 1,953.76

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Solution

The fourth proportional to 3,195.76, 4,410.18 and 1,953.76 is: 2,696.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.76 : 4,410.18 = 1,953.76 : x
  2. Step 2: Convert to fraction form
    3,195.76/4,410.18 = 1,953.76/x
  3. Step 3: Cross multiply
    3,195.76x = 4,410.18 × 1,953.76
  4. Step 4: Simplify right side
    3,195.76x = 8,616,433.28
  5. Step 5: Solve for x
    x = 8,616,433.28/3,195.76
  6. Step 6: Final answer
    x = 2,696.21

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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.