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Finding the Fourth Proportional to 2,752.35, 3,799.10 and 1,857.39

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Solution

The fourth proportional to 2,752.35, 3,799.10 and 1,857.39 is: 2,563.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.35 : 3,799.10 = 1,857.39 : x
  2. Step 2: Convert to fraction form
    2,752.35/3,799.10 = 1,857.39/x
  3. Step 3: Cross multiply
    2,752.35x = 3,799.10 × 1,857.39
  4. Step 4: Simplify right side
    2,752.35x = 7,056,410.35
  5. Step 5: Solve for x
    x = 7,056,410.35/2,752.35
  6. Step 6: Final answer
    x = 2,563.78

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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.