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Finding the Fourth Proportional to 1,738.62, 2,606.10 and 1,080.49

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Solution

The fourth proportional to 1,738.62, 2,606.10 and 1,080.49 is: 1,619.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.62 : 2,606.10 = 1,080.49 : x
  2. Step 2: Convert to fraction form
    1,738.62/2,606.10 = 1,080.49/x
  3. Step 3: Cross multiply
    1,738.62x = 2,606.10 × 1,080.49
  4. Step 4: Simplify right side
    1,738.62x = 2,815,864.99
  5. Step 5: Solve for x
    x = 2,815,864.99/1,738.62
  6. Step 6: Final answer
    x = 1,619.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.