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Finding the Fourth Proportional to 2,748.66, 3,809.45 and 2,696.82

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Solution

The fourth proportional to 2,748.66, 3,809.45 and 2,696.82 is: 3,737.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.66 : 3,809.45 = 2,696.82 : x
  2. Step 2: Convert to fraction form
    2,748.66/3,809.45 = 2,696.82/x
  3. Step 3: Cross multiply
    2,748.66x = 3,809.45 × 2,696.82
  4. Step 4: Simplify right side
    2,748.66x = 10,273,387.46
  5. Step 5: Solve for x
    x = 10,273,387.46/2,748.66
  6. Step 6: Final answer
    x = 3,737.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.