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Finding the Fourth Proportional to 2,744.69, 3,788.28 and 1,895.13

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Solution

The fourth proportional to 2,744.69, 3,788.28 and 1,895.13 is: 2,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.69 : 3,788.28 = 1,895.13 : x
  2. Step 2: Convert to fraction form
    2,744.69/3,788.28 = 1,895.13/x
  3. Step 3: Cross multiply
    2,744.69x = 3,788.28 × 1,895.13
  4. Step 4: Simplify right side
    2,744.69x = 7,179,283.08
  5. Step 5: Solve for x
    x = 7,179,283.08/2,744.69
  6. Step 6: Final answer
    x = 2,615.70

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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.